Comment: Here are a few.

(See in situ)

Here are a few.

Economics in One Lesson by Henry Hazlitt

Here are a few to help everyone in their own self-education.

How to Study in College by Walter Pauk
What Smart Students Know by Adam Robinson (tacky title but good info)
How to Read a Book by Mortimer J. Adler & Charles Van Doren (a little verbose)