This book is a great collection of ideas, tricks and skills that could be useful for Hackers. It's a unique extraction reference, summarizes a lot of research and experience in order to achieve your w00t in shortest and smartest way. Rubyfu is where you'll find plug-n-hack code, Rubyfu is a book to use not only to read, it's where ruby goes evil.
Who should read this book?
Ideally, Hackers!; Those who have enough experience to hack our world and have at least basics in Ruby programming language. To get the best benefits of the book, open Rubyfu.net and pin its browser tab; Use irb/pry as interpreter to run the code or run it as script; Enhance the code to fit your needs and yeah, tweet the code and its output to @Rubyfu to share it with our awesome community.
https://www.gitbook.com/book/rubyfu/rubyfu/details
Big love to those people who support this book by any meaning.
Founder
KING SABRI | @KINGSABRI
Authors
KING SABRI | @KINGSABRI
Contributors
Bashar - Technical Editor
William Coppola | @SubINacls - Spreading & advising
Brendan Baldwin | 
Ahmed Aboul-Ela | 
Sven Vetsch | 
Christian Fernandez | @b1naryFreed0m - Code and PR
Arron Crawford | @SquirrelsNabrrl - Social media, background, advices and more
