Eclectic:
I Think (If knowledge is power, should truth be useful?)
Science:
Critical Thinking:
Environment:
Non Amazon Book Sources:
Brainbooks (An online bookstore specializing in Psychology, Neurology, and Neuroscience)
Internet Archive (Mostly free downloadable books)
Powell’s Books (great independent bookseller)
AbeBooks (independent bookseller)
Moe’s Books (independent bookseller)