Pandigital WikiReader : $12.99 + Free S/H
Today: $12.99 + Free S/H
Contains the entire English Wikipedia covering 3 million topics. No internet required. Content can be updated quarterly via download or MicroSD card (4GB card included). Runs on 2 AAA batteries (not included), which will last about 1 year.
Don't get so busy making a living that you forget to make a life.