https://www.humblebundle.com/books/linux-unix-oreilly-books
Humble Book Bundle: Linux & UNIX by O'Reilly

05 days 11 hours

   USD1 (about AU$1.48) or more to unlock!
Classic Shell Scripting 1st ed.
Linux Device Drivers 3rd ed.
Introducing Regular Expressions 1st ed.
grep Pocket Reference 1st ed.
Learning GNU Emacs 3rd ed.
Unix Power Tools 3rd ed.
   USD8 (about AU$11.84) or greater
Learning the bash Shell 3rd ed.
Learning the vi and Vim Editors 7th ed.
Linux in a Nutshell 6th ed.
sed & awk 2nd ed.
   USD15 (about AU$22.20) or greater
bash Cookbook 2nd ed.
Linux System Programming 2nd ed.
Mastering Regular Expressions 3rd ed.
Effective awk Programming 4th ed.
Linux Pocket Guide 3rd ed.


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Humble Book Bundle: Computer Productivity & Coding by Mercury Learning

12 days 11 hours
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C Programming
Cloud Computing Basics
Game Development Using Python
Multimedia Web Design
HDL with Digital Design
Microsoft Office 2013/365 and Beyond
Basic Electronics Video Tutorials
Video
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3D Printing
Photoshop Photo Restoration Video Tutorials
Video
MS Excel 2016
Artificial Intelligence in the 21st Century 2/E
Autodesk Revit 2020 Architecture
Software Testing
SVG Programming Video Tutorials
Video
AutoCAD 2019 Beginning and Intermediate
AutoCAD 2020 3D Modeling
   USD15 (about AU$22.20) or greater
Data Cleaning
Python 3
James Parker
Microsoft Excel 2019 Programming with VBA, XML, and ASP
Microsoft Access 2019 Programming with VBA, XML, and ASP
Classic Game Design 2/E
Franz Lanzinger
HTML 5 Programming Video Tutorials
Video
Excel Functions & Formulas 5E 5th ed.
Embedded Vision
TensorFlow 2
Introduction to 3D Game Programming with DirectX12

https://www.humblebundle.com/books/developing-your-own-games-springer-books
Humble Book Bundle: Developing Your Own Games by Springer

19 days 12 hours
   USD1 (about AU$1.48) or more to unlock!
Java Game Development with LibGDX
Beginning Swift Games Development for iOS
Learn Unity for Android Game Development
Practical Video Game Bots
Developing Games on the Raspberry Pi
Developing Turn-Based Multiplayer Games
Python, PyGame, and Raspberry Pi Game Development 2nd ed.
   USD8 (about AU$11.84) or greater
Mostly Codeless Game Development
Learn Unity for Windows 10 Game Development
The Advanced Game Developer's Toolkit
Pro Java 9 Games Development
Building Games with Ethereum Smart Contracts
Essential TypeScript
Practical GameMaker: Studio
Physically Based Shader Development for Unity 2017
   USD15 (about AU$22.20) or greater
Developing 2D Games with Unity
Program Arcade Games: With Python and Pygame
Beginning Android Games
Let's Build a Multiplayer Phaser Game
Beginning iOS AR Game Development
Game Development with Construct 2
Understanding Game Application Development
Pro HTML5 Games
Introducing JavaScript Game Development
GameMaker: Studio 100 Programming Challenges