Hacking VoIP: Protocols, Attacks, and Countermeasures
Himanshu Dwivedi
Understanding Bitcoin: Cryptography, Engineering and Economics
Pedro Franco
The Art of Racing in the Rain
Garth Stein
Hack and HHVM: Programming Productivity Without Breaking Things
Owen Yamauchi
El Quijote de la Mancha
Miguel de Cervantes Saavedra