Learning PHP
David Sklar
Arduino III: Internet of Things
Steven F. Barrett
Cybersecurity: Blue Team Toolkit
Nadean H. Tanner
Cloud Computing Basics
T.B. Rehman
Hands-On Data Structures and Algorithms with Python
Dr. Basant Agarwal
Mastering Machine Learning Algorithms
Giuseppe Bonaccorso
Flowchart and Algorithm Basics: The Art of Programming
A. B. Chaudhuri
Introduction to Algorithms
Thomas H. Cormen & Charles E. Leiserson & Ronald L. Rivest & Clifford Stein
Algorithms
Jeff Erickson
Competititve Programmer's Handbook
Antti Laaksonen
Efficient Algorithms for Sorting and Synchronization (rsync)
Andrew Tridgell