Double Shot #1251

The Ruby 2.0 Walkthrough - Now available as a combo of videos and PDF from Peter Cooper for $29.
RJS leaking vulnerability in multiple Rails applications - More fun from Egor Homakov.
ruby-lint 1.0.0 - First stable release of this static code analysis tool.
Memoirs of a Software Team Leader - A look at the technical and soft skills involved in leading a small software team. $23 ebook, 30% discount with code "afreshcup30".