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Leanpub makes it easy to create, publish, and sell ebooks or online courses while earning industry-leading royalties. With 80% royalties on purchases of $7.99 or more (or 80% minus a small $0.50 fee for purchases under $7.99), your work earns what it deserves. For example, a $10 sale brings you $8, and selling 5,000 copies at $20 could mean $80,000 in your pocket!

Leanpub has already paid out $15,101,878.61 to authors. Whether you write in Markdown or upload PDF/EPUB files, Leanpub’s intuitive publishing tools simplify the process. Use our in-browser editor or sync with GitHub or Dropbox and publish your ebook with a single click. Plus, you decide when to release—during the writing process or upon completion.

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As an academic, I like Leanpub because it lets me write and get my ideas out there quickly. Leanpub is simply the best place for publishing my books.

Roger D. Peng
Associate Professor of Biostatistics at the Johns Hopkins Bloomberg School of Public Health

Top Books

  1. Product Engineering with AI
    A practical guide to product engineering in an AI native era
    Addy Osmani and Hassan Djirdeh

    A practical guide to product engineering in an AI native era, where building shifts from manual construction to steering tools, editors, and agents. Product Engineering with AI covers platforms, agentic workflows, prompting, code quality, UX, and responsible practices for getting from prototype to production. 

  2. The SysML v2 Book
    Practical Insights and Comprehensive Reference
    Tim Weilkiens and Vince Molnár

    Learn SysML v2 with the ultimate guide for all skill levels in MBSE. Authored by insiders, it's your key to unlocking the full potential of system modeling and a passport to mastering your MBSE.

  3. OpenIntro Statistics
    Includes 1st, 2nd, 3rd, and 4th Editions
    OpenIntro, Christopher Barr, Mine Cetinkaya-Rundel, and David Diez

    A complete foundation for Statistics, also serving as a foundation for Data Science. Leanpub revenue supports OpenIntro (US-based nonprofit) so we can provide free desk copies to teachers interested in using OpenIntro Statistics in the classroom and expand the project to support free textbooks in other subjects. More resources: openintro.org.

  4. Practical Kotlin Deep Dive
    Unlocking the 'How' and 'Why' behind Kotlin fundamentals and internal mechanisms.
    Jaewoong

    Takes you from “how to use Kotlin” into “how Kotlin really works,” revealing the internal implementations, desmifying bytecodes and compiler behavior, and internals that shape the language. If you want to write smarter, more confident Kotlin across fundamentals, coroutines, and multiplatform, this is the book that shows you why everything is the way it is.

  5. A clear, illustrated guide to large language models, covering key concepts and practical applications. Ideal for projects, interviews, or personal learning.

  6. How to Build and Fine-Tune a Small Language Model
    A Step-by-Step Guide for Beginners, Researchers, and Non-Programmers
    J. Paul Liu

    You don’t need massive compute or big-tech resources to build real AI. This hands-on guide shows you how to build and fine-tune your own small language model—from scratch—using accessible tools like Google Colab. Learn transformers step-by-step, train and align models on your own data, and deploy practical AI systems that run on consumer GPUs. If you’ve ever wondered “Can I build my own model?”—this book proves the answer is yes.

  7. CISSP: The Last Mile
    Your guide to the finish line
    Pete Zerger

    The book covers every topic in the latest CISSP exam syllabus, organized in a format that makes it easy to drill down on specific exam domains and concepts at-a-glance, making it an essential exam resource for anyone who aims to prepare for the exam without wasting time or money.

  8. Mastering STM32 - Second Edition
    A step-by-step guide to the most complete ARM Cortex-M platform, using the official STM32Cube development environment
    Carmine Noviello

    With more than 1200 microcontrollers, STM32 is probably the most complete ARM Cortex-M platform on the market. This book aims to be the most complete guide around introducing the reader to this exciting MCU portfolio from ST Microelectronics and its official CubeHAL and STM32CubeIDE development environment.

  9. Logic is the most important branch of math to software engineering. Knowing logic opens up a vast world of development techniques, from everyday tricks of the trade to exotic tools for cracking impossible tasks. This book teaches the basics of logic and nine special logic-powered techniques: property testing, decision tables, constraint solving, and more. Over 40 exercises are provided to help readers master the material. No prior math background required!

Top Courses

  1. Stratospheric - From Zero to Production with Spring Boot and AWS
    Hands-on online course to learn all you need to know to get a Spring Boot application into production with AWS.
    Philip Riecks, Björn Wilmsmann, and Tom Hombergs

    Hands-on online course to learn all you need to know to get a Spring Boot application into production with AWS. Visit our landing page for a tour of the contents. Make sure to get familiar with all available bundle options before enrolling.

  2. Microservices Masterclass
    David Farley and CourseAI

    Microservices are a great approach for building software at scale. But although the ideas at the root of microservices may sound simple, this is not a simple approach. There are several big traps along the way, and it's important to avoid them...

  3. Master language models through mathematics, illustrations, and code―and build your own from scratch! This course includes nearly three hours of exclusive video interviews with the author, covering questions related to each of the six lessons included in the course.

  4. Machine Learning Made Simple
    8 Pillar Machine Learning Algorithms in Python
    Christian Mayer and Lukas Rieger

    This course gives you an intuitive understanding of the eight most important machine learning algorithms. It helps you get started using them in your own projects NOW -- in a single line of Python code. After finishing this course, you'll be able to select, understand, and implement the top 8 machine learning algorithms in your own projects.

  5. Dirty Data Dojo: Cleaning Data (Excel & Python)
    Learn to Clean Your Dirty Data in Minutes, not Months
    Lee Baker

    Data cleaning is a serious business – you’ll typically spend 80% of your analysis time cleaning data! In this course you’ll learn how to clean your data in a fraction of the time. The steps you’ll learn are very simple to follow, but are extremely effective, so you’ll know that you’re getting the best start possible, saving you weeks of misery!

  6. Python Programming Bootcamp for Scientists
    A Python course for people without programming background
    Gábor Szabó

    This course was primarily designed for Chemistry, Biology, Physics, Life Sciences, or Psychology students and researchers, who have no programming background, but would like to take their first steps in creating tools to help with data analysis and their research in general.

  7. Unlock the power of AI in your applications with this groundbreaking course on AI-driven application architecture. Discover practical patterns and principles for building intelligent, adaptive, and user-centric software systems that harness the potential of large language models. This course includes exclusive video interviews with the author.

  8. Complete Guide to Modern JavaScript
    Learn everything from the basics of `JavaScript` to the new ES2022 features. Practice with more than 60 quizzes and dive into the basis of `TypeScript`.
    Alberto Montalesi

    Whether you are a complete beginner or you have some knowledge in `JavaScript`, this course will guide you from the basics of the language to all the new features introduced until 2022. At the end of each chapter test your knowledge with quizzes.

  9. Learn Ansible by 250+ Examples
    250+ Automation Examples For Linux and Windows System Administrator and DevOps
    Luca Berton

    I teach creative Automation DevOps, Cloud Engineer, System Administrator, and IT Professional to succeed with Ansible Technology to automate more things every day. For example file system interaction, users and group management, configuration file editing, service status, download and upload of files, security enhancement, SCM interactions and more

Interviews with Leanpub authors and special guests

The Leanpub Podcast

Hosted by Leanpub co-founder Len Epp

In The Leanpub Podcast, Leanpub co-founder Len Epp interviews authors and special guests about their lives & careers, their areas of expertise and the issues of the moment, and their experiences as writers. Every episode is deeply researched and covers areas that are equally of human interest, general interest, and professional interest.
Featured Leanpub Podcast Interview

Sal Kimmich, Author of Code, Chips and Control: The Security Posture of Digital Isolation

Episode: #328Runtime: 01:04:41Released: 12/09/2025

Sal Kimmich - In this episode of the Leanpub Podcast, Sal Kimmich explains how modern computer chip supply-chain threats, insecure defaults, and fragmented trust models shape today’s cybersecurity posture. They discuss digital isolation, open-source governance, and practical strategies for building resilient, verifiable systems.

Top Bundles

  1. This bundle includes the books “Residues: Time, Change and Uncertainty in Software Architecture” and “The Architect’s Paradox: Uncertainty and the Philosophy of Software Architecture” by Barry M O’Reilly. The books complement each other, with Residues giving a practical description of how to apply residuality theory and The Architect’s Paradox...

  2. Big Kotlin pack
    Marcin Moskała
    No Description Available
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  4. In the 21st century, data science has become an integral part of the work culture at every manufacturing industry and process industry is no exception to this modern phenomenon. From predictive maintenance to process monitoring, fault diagnosis to advanced process control, machine learning-based solutions are being used to achieve higher process...

  5. Manifest Android Interview의 영문 버전과 한국어 버전의 번들을 구매하시면 두 권을 각각 구매하시는 것보다 훨씬 저렴한 가격에 구매하실 수 있습니다. 영문 버전은 아무래도 원문 그대로의 느낌을 전달하고, 해외 개발자들의 각종 의견들에 대한 의역 없이 있는 그대로의 자료를 접하실 수 있기 때문에 번들로 구매하셔서 영문 버전과 국문 버전을 번갈아가며 읽으시는 것도 좋습니다. 혹은 영어 공부가 필요하거나 해외 글로벌 기업을 준비하고 계신다면 국문 버전으로 먼저 한 번 읽으시고, 영문 버전으로 팔로업 하며 영어 학습을 하시는 것도 좋은 학습 방법입니다. 영문 국문 번들을 다음과 같이 활용해 보실 수...

  6. Linux Administration Complet
    François-Emmanuel Goffinet

    Ce lot comprend les quatre volumes du Guide Linux Administration :Linux Administration, Volume 1, Administration fondamentale : Guide pratique de préparation aux examens de certification LPIC 1, Linux Essentials, RHCSA et LFCS. Administration fondamentale. Introduction à Linux. Le Shell. Traitement du texte. Arborescence de fichiers. Sécurité...

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  8. This trilogy on change, leadership and strategy explores timeless patterns for sustainable success in turbulent times. It helps you think and act from first principles while being mindful of context.

  9. Learn about all major C++17 changes, plus the Story of lambda expressions across recent C++ versions, and then various aspects of Initialization. All to improve your knowledge about Modern C++.

Top Tracks

  1. AI Masterclass
    Henrik Kniberg, Obie Fernandez, and Andriy Burkov

    About the Track: AI Masterclass Artificial Intelligence is reshaping the way we live, work, and build technology. The AI Masterclass Track brings together three powerful courses from world-class experts to give you a comprehensive, practical, and hands-on education in the age of AI. Whether you want to understand the big picture, apply AI...

  2. Taking this bundle, you'll get a comprehensive set of courses that cover almost the whole surface of the .NET framework.The big topics that are covered:WPFMVVMSpecFlow and SeleniumLINQMultithreading and Parallel ProgrammingC# in Depth: Puzzles and GotchasAlgorithms and Data Structures in C#VS and R#and engineering practices:Unit Testing with...

  3. Kotlin for developers
    Marcin Moskała

    This is the complete track to learn about essential Kotlin features and get ready for working in Kotlin in daily basis. It starts from essentials, and on the way reaches advanced topics like efficient collection processing or DSL creation.

  4. "Shut up and code." Laughter in the audience. The hacker had just plugged in his notebook and started sharing his screen to present his super-smart Python script. "Shut up and code" The letters written in a white literal coding font on black background was the hackers' home screen background mantra. At the time, I was a first-year computer...

  5. Real World Python
    Lukas Rieger and Christian Mayer

    Learn Python the Practical Way - In this course you learn all the basics of the Python programming language. It contains exercises, explanatory videos, an example solution and a quiz. This will enable you to apply your skills to a wide range of real world problems.A collection of more Python exercises - Exercises with solutions to continue...

  6. A Simple Path to Python Success
    Christian Mayer, Lukas Rieger, and Shubham Sayon

    Python is the fastest-growing major programming language on the planet. This practical course set will teach you Python in a hands-on, highly practical way that guarantees your success. All you need to go from zero to completing your own Python projects in a relaxed, student-centric, and fun environment. Create yourself a new skill that'll bring...

  7. Taking this course bundle, you'll learn:SOLID principles (SRP, OCP, ISP, LSP, DIP) in-depthMeta principles: DRY, KISS, YAGNI, SoC, CQS, Law of Demeter, PoLADependency Injection in Depth: IoC or DI containers, best practices, and anti-patternsFunctional Programming in C#: purity and side effects, functional C# features, immutability,...

  8. This is the perfect Game Studio starter kit for launching your online dream business. This kit contains 6 tutorials books to help you create 9 different online game mechanics. You could have all 9 games ready in a day for each game. Start your Game Studio today.

  9. WPF + MVVM
    EngineerSpock

    Learn both WPF and MVVM to build fully functional UI-applications with the modern UI-building framework, Windows Presentation Foundation (WPF).MVVM will help you to build WPF apps in a correct way from the software design perspective.