If you like reading you can get free e-books at Project Gutenberg. These are books with expired copyrights so they are free to download and print. Since their copyright are all expired most of these books are old classics. Having books to read can be a great way to pass the time while traveling between places. Load the e-books in your latop, smartphone, or just print it out and toss it when you're done.
http://www.gutenberg.org/
