Humble Book Bundle: Programmable Boards by Make Community
https://www.humblebundle.com/books/programmable-boards-make-books
TIME LEFT 04 days
USD1 (about AU$1.43) or greater
Make: Getting Started with Adafruit Trinket
Make: Getting Started with Adafruit FLORA
Getting Started with Netduino
Getting Started with the Internet of Things
Making Things See: 3D vision with Kinect, Processing, Arduino, and MakerBot
Make: Basic Arduino Projects
Make: Magazine Volume 63: AI or Die!
USD8 (about AU$11.42) or greater
Make: AVR Programming
Make: A Raspberry Pi-Controlled Robot
Make a Mind-Controlled Arduino Robot
Making Things Smart
Getting Started With the Adafruit Circuit Playground Express
Jumpstarting the Onion Omega2
USD15 (about AU$21.41) or greater
Make: Bluetooth
Make: FPGAs
How to Use a Breadboard!
Learn Electronics with Arduino
Getting Started with the micro:bit
mBots for Makers
USD18 (about AU$25.69) or greater
Getting Started with the Photon: Making Things with the Affordable,
Compact, Hackable WiFi Module
Make: Sensors
Make: Action: Movement, Light, and Sound with Arduino and Raspberry Pi
Make: Lego and Arduino Projects
Getting Started with Sensors: Measure the World with Electronics, Arduino,
and Raspberry Pi
Jumpstarting JavaScript
Jumpstarting the Raspberry Pi Zero W
Jumpstarting C
Make: Getting Started with Raspberry Pi (3rd ed)
Make: Getting Started with Arduino (3rd ed)