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  1. Super Study Guide: Transformers & Large Language Models

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

  2. Logic for Programmers

    Not just for mathematicians and detectives! Learn the basics of logic and its many applications, including advanced testing, constraint solving, function composition, and code proofs. Over 50 exercises and 20 sample programs are included. No prior math background required!

  3. Extreme Reliability
    Extreme Reliability
    Programming like your life depends on it
    Jules May

    We just accept that software is inherently imperfect, that all software must contain bugs, and we design our development processes around that. But what if it were possible to write correct software? What if we could consistently develop clean, maintainable software that works perfectly, all the time? And what if it were cheaper, faster and easier to write correct code than to write the buggy variety? What then? Flawless software, delivered faster.

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

    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.

  5. CCDE Design Labs
    CCDE Design Labs
    Mohammad Khalil

    CCDE Design Labs – Volume I challenges you with realistic, scenario-driven network design problems inspired by the complexity and decision-making expected at the CCDE level.Work through evolving business requirements, technical constraints, architecture trade-offs, exhibits, and unexpected changes then compare your decisions against detailed answers and design rationale.Built for experienced network engineers and architects who want to sharpen their design judgment, challenge their assumptions, and prepare for advanced real-world network design.

  6. No More Helloworlds. Build a Real C++ App
    No More Helloworlds. Build a Real C++ App
    Master Real C++ Development: Architecture, Git, Testing & CMake in One Practical Workflow
    Nikolai Kutiavin

    You know C++ syntax. Now learn how to structure, build, test, and maintain a real C++ application.

  7. CISSP: The Last Mile
    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. Claude Code: From Basics to Mastery
    Claude Code: From Basics to Mastery
    The Complete Guide to Agentic Software Development in 2026
    Steve Publications

    Software development is changing fast, and Claude Code is at the center of that shift. Learn how to work effectively with AI agents to write code, automate workflows, and build larger projects with confidence. From setup and prompt design to real-world engineering practices, this book provides a practical guide to modern software development in 2026.

  9. C++23 - The Complete Guide
    C++23 - The Complete Guide
    Nicolai M. Josuttis

    All new language and library features of C++23 (for those who know C++20) The book presents all new language and library features of C++23. Learn how this impacts day-to-day programming, to benefit in practice, to combine new features, and to avoid all new traps. Buy early, pay less, free updates Current Content: www.cppstd23.com Other leanpub books by this author:C++20C++17C++ Move Semantics

  10. Frontend System Design Interviews
    Frontend System Design Interviews
    A Practical Guide to Frontend System Design Through Frameworks and Real-World Case Studies
    Juntao Qiu

    You know how to build frontend applications. But can you explain how you would design one when the requirements are vague, the constraints keep changing, and you only have 45 minutes?Frontend System Design Interviews gives you a practical framework for structuring that conversation, making trade-offs, and going deep on the problems that actually change the architecture.

  11. Residues: Time, Change, and Uncertainty in Software Architecture.

    Residuality Theory is a new way to think about the design of software systems that explains why we experience design the way we do, why certain things seem to work only sporadically, and why certain architects get it right so often regardless of which tools they use. A new, scientific approach is defined that fuses Software Engineering, Complexity Science, and Philosophy to produce an entirely new way to think about how to design software. The result is a theoretical base that allows architecture to finally become its own discipline.

  12. The Architect’s Paradox
    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?”.

  13. Native Mobile Apps With Elixir
    Native Mobile Apps With Elixir
    From Your First Screen to Production Withou Leaving the Beam
    Kamaro Lambert

    Build a real, offline-first Android app in Elixir with Mob, from mix mob.new to an APK in your testers' hands, without leaving the BEAM.

  14. Hermes: Organizations as Swarming Agents

    Scrum made human teams 10× faster. Now it's doing the same for AI agents. Here's the architecture.

  15. Qualitätstaktiken
    Qualitätstaktiken
    Lösungsstrategien für Softwarearchitekturen qualitätsgetrieben entwickeln
    Markus Harrer

    Dieses Buch bietet Softwarearchitekten und Softwarearchitektinnen eine umfangreiche Sammlung von Qualitätstaktiken, um die Qualität von Softwaresystemen zu verbessern. Es dient als Ideengeber für verschiedene Situationen und Kontexte und hilft, das geforderte Qualitätsniveau für Stakeholder zu erreichen. Mit hunderten bewährten Taktiken ist es ein unverzichtbares Werkzeug für die Gestaltung hochwertiger Softwarearchitekturen.