IB Exam Secrets e-book is out!
Books
Bad ScienceNot specifically about psychology but an excellent look at methodology and how to evaluate studies
Blink: The Power of Thinking Without Thinking Great easy-to-read book by Gladwell about cognitive thin-slicing psychology. For those of you who find cognitive stuff boring, this makes it interesting
The Tipping Point: How Little Things Can Make a Big Difference Another book by Gladwell that relates to sociocultural psychology
Savage Girls and Wild Boys: A History of Feral Children Feral children like Genie teach us a lot about human nature and the power of nurture and what happens if it is absent
Online Sources
Scientific American MindNew Scientist