I don't know how good those books by Make are, but if you're looking for some beginner books for Arduino and Raspberry Pi and don't mind that you only get a digital copy (PDF, ePUB or MOBI), this might be of interest:
Humble Book Bundles: Arduino & Raspberry Pi
https://www.humblebundle.com/books/make-arduino-and-raspberry-pi
$1 bundle:
Make: magazine, Volume 38: Everything you need to know about DIY consumer electronics Make: Basic Arduino Projects Making Things See: 3D vision with Kinect, Processing, Arduino, and MakerBot Make: Getting Started with the Internet of Things Make: G