X-link to the DRM-free thread for a new Humble Bundle:
Humble Book Bundle Cybersecurity presented by Wiley, who are probably best known as the publishers of the Dummies teach yourself series, contains assorted books on various computer and related security issues, including some technically non-technical books about manipulating people via plain old social engineering.
Also, a reminder that the
Humble Bundle Stranger Creatures supporting the Jane Goodall Institute is expiring in a couple of days.