Free Books Online
http://www.williamcalvin.com/brief_bio.htm
has many of this author’s 11 books available to read online for free. Try “Conversations with Neil’s Brain” for insight on how the brain functions.
http://www.nap.edu
(Browse Categories, esp “Education” or Search All Titles for “Learn” or “Brain”)
2,500 free online books on many subjects.
Get busy!