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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 $15,010,677.93 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. The Wizard's Lens: Learn to Think Like AI
    Book One of "The Revolutionizers"
    Edward W. Barnard

    Learn to think like AI through a working LLM you build yourself. Battle-tested systems thinking from Cray Research applied to modern AI. Accomplish what others consider impossible.

  2. The Hundred-Page Language Models Book
    hands-on with PyTorch
    Andriy Burkov

    Master language models through mathematics, illustrations, and code―and build your own from scratch!

  3. The service provider landscape has changed rapidly over the past several years. Networking vendors are continuing to propose new standards, techniques, and procedures for overcoming new challenges while concurrently reducing costs and delivering new services. Cisco has recently updated the CCIE Service Provider track to reflect these changes; this book represents the author's personal journey in achieving that certification.

  4. Unlock the power of AI in your applications with this groundbreaking book 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 and AI components.

  5. IT Freelancing 2.0
    So wirst du in 90 Tagen unabhängig von Vermittlern.
    Pierre Wilken

    IT Freelancing 2.0 zeigt dir, wie du dich als IT-Freelancer vom austauschbaren Projektarbeiter zum gefragten Experten entwickelst. Statt ständig um den nächsten Vertrag zu kämpfen, lernst du, dich klar zu positionieren, ergebnisorientierte Angebote zu gestalten und dir ein Geschäft mit echtem Zukunftswert aufzubauen.

  6. Code, Chips and Control
    The Security Posture of Digital Isolation
    Sal Kimmich

    Now we have made it to the kernel. Let's assume you have a chip, any chip, from the suppliers we've just discussed. You might choose to manually load a kernel onto that chip, using a GRand Unified Bootloader (GRUB) to load (or strap) the kernel, and pass all permissions over to it. It is the animus in the machine. There are many different kernels, but they share one interesting characteristic to security: they run with the highest level of access, mediating interactions between user applications and the physical chips. A good kernel will handle low-level tasks like CPU scheduling, memory allocation, device input/output, and system calls. It is the bridge between software and hardware: if the kernel fails to load or crashes, the entire system will halt. To make this level of access a bit safer, the kernel is designed to be always resident in memory, and execute in a protected mode that is isolated from applications. This prevents damage to core system data...

  7. The Architect’s Paradox
    Uncertainty and the Philosophy of Software Architecture
    Barry O’Reilly

    An introduction to philosophy for software engineers and architects that will help them understand their design process. This book helps to answer the question “Why are we like this?”.

  8. The book covers all the key skills needed for preparing, exploring, and analysing longitudinal data. To facilitate understanding and help readers learn these skills, it interweaves statistical modelling with computer code and visualizations. It does this using real-world data, code, and outputs that readers can replicate.

  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. 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.

  2. No Description Available
  3. Writing test automation framework from scratch
    Learning to write test automation framework for any system - step by step
    Alexander Pushkarev

    Learn how to write test automation framework for any system - step by step.

  4. asdf asdf
    Chuck Allison
    No Description Available
  5. The Cybernetic Enterprise Course
    How to Build a Future-Ready Organization
    Romano Roth

    Most enterprises can deliver fast, but few can adapt at scale.The Cybernetic Enterprise introduces a unifying operating model that embeds AI, feedback loops, and platform thinking into the DNA of your organization. Learn how to build a system that senses change, learns continuously, and transforms disruption into strategic advantage.

  6. Mediation and Moderation Analysis using R
    A Complete Guide to Mediation, Moderation, and Causal Analysis Using R and Real-World Data
    Alexandru Cernat

    This course introduces mediation and moderation analysis using R, covering interaction effects, path analysis, SEM, and causal mediation. Gain the skills to test mechanisms, explore context, and interpret complex social relationships.

  7. This course is based on the 2025 edition of the best-selling Kubernetes book, that has been fully updated for the latest versions of Kubernetes and the latest industry trends. You won't find a better and more up-to-date book-based course on Kubernetes. Hand-crafted over the past 8 years by best-selling author Nigel Poulton.

  8. No Description Available
  9. Empower Yourself with Advanced JavaScript Concepts
    Learn Advanced JavaScript Concepts topics to provide flexible, robust and efficient solutions
    Suresh Kumar Srivastava

    Take your JavaScript skills to next level

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

Matthew Hawthorne, Author of Push to Prod or Die Trying

Episode: #327Runtime: 47:16Released: 11/28/2025

Matthew Hawthorne - In this episode of the Leanpub Podcast, Leanpub co-founder Len Epp talks with software engineer Matthew Hawthorne about his book Push to Prod or Die Trying, war stories from working on high-scale systems, learning from production incidents, and the culture of big tech and high pressure software engineering.

Top Bundles

  1. No Description Available
  2. This book bundle includes the following four books: * Go Optimizations 101: https://leanpub.com/go-optimizations-101 * Go Details & Tips 101: https://leanpub.com/go-details-and-tips-101 * Go Generics 101: https://leanpub.com/go-generics-101 * Go (Fundamentals) 101: https://leanpub.com/go101

  3. 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...

  4. This bundle includes all of the statistics books that Lee Baker has published at LeanPub 13 Statistics Books*1 PlaceNo Hassle! All in both epub and mobi formats - perfect for all devices and screen sizes. --------------------------------------------------------- *The book listed as Getting Started With Statistics is a bundle of 4 books...

  5. Big Kotlin pack
    Marcin Moskała
    No Description Available
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  7. Software Architecture and Design Practice Reference
    Cesare Pautasso, Olaf Zimmermann, and Mirko Stocker

    Dive deeper in Software Architecture with the Design Practice Reference. Learn all about software architecture and design from the books in this bundle: Software Architecture covers topics from quality attributes to designing and modeling components, interfaces, connectors, and containers, all the way to services and microservices. The...

  8. Mega Bundle 1
    Jason Turner
    No Description Available
  9. CCNA LINUX SIP
    François-Emmanuel Goffinet
    No Description Available

Top Tracks

  1. testtracknov10
    Sam McClenaghan
    No Description Available
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  3. A topic by topic breakdown of the hardest technical interview questions

  4. testtrack
    Peter Armstrong
    No Description Available
  5. 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,...

  6. Taking this bundle, you'll learn:The basics of writing unit testsBest Practices of writing unit testsAPI of NUnitWriting test doublesUsing dependency injection to make code testableA lot of TDD practiceKatas and TDDAcceptance and Integration TestsImplement a WPF app by TDDTDD Best PracticesSpecFlow for writing acceptance testsSelenium:...

  7. 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...

  8. "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...

  9. 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...