This is a discussion on Real Books (actual physical ones) within the online poker forums, in the Learning Poker section; I have got jury duty coming up and think I wont be able to have electronics.
During restful breaks from performing my civic duty to
I suggest you to go on thriftbook.com as you can search for cheap poker books. Some of them cost under 5 dollars! Or you could print from pdfdrive.
My personal opinion is these books helped me to build the foundation:
1. Harrington Vol 1. Vol.2, and Vol.3 Vol.3 is a workbook which I think is helpful compared to expensive 1000 dollars online tutoring. I love Harrington's writing and format style making his books easier to read compared to other books.
2. Mental Game of Poker by Jared Tendler. It's a great book to read and helped me to understand that VARIANCE is part of game and how to embrace it instead of going on the tilt.
I brought Slanksy's Theory of Poker since it cost me like 2 bucks. I cldn't finished it because it's very dry and he talks about different poker games which I was only interest in NL poker. Someone from this forum typed the cliff of Theory of Poker so check it out.