11. Try doing book exchanges  by mail so that you can discuss the books by phone. 12. And so in 1996 he founded Advanced Book Exchange , www . abebooks . com. 13. Norman, OK : University Book Exchange . 14. ADVANCED BOOK EXCHANGE  : www . abebooks . com _ A source for out of print titles. 15. Visitors can use distinctive amenities of the hostel such as an alternative library and a book exchange . 16. Goodreads organizes offline opportunities as well, such as IRL book exchanges  and " literary pub crawls ". 17. An e-mail chain letter currently making the rounds seeks to set up a used-book exchange . 18. "Sorry, we are closed for restocking, " said a sign outside the Durham Book Exchange . 19. For many years the NLRK has maintained book exchanges  with 200 CIS libraries and 80 cultural organizations from 40 countries. 20. Some book exchanges  are informal-a shelf or box is provided where books can be left or picked up.