Gray Hat Hacking the Ethical Hacker's Handbook, Fourth Edition
Daniel Regalado & Shon Harris & Allen Harper & Chris Eagle & Jonathan Ness & Branko Spasojevic & Ryan Linn & Stephen Sims
How Linux Works: What Every Superuser Should Know
Brian Ward
Web Crawling and Data Mining With Apache Nutch
Zakir Laliwala & Abdulbasit Fazalmehmod Shaikh
Intellectual Property and Open Source
van Lindberg
An Introduction to Linear Algebra
Ravi P. Agarwal & Elena Cristina Flaut