CHELSEA, OK, USA — April 29, 2002 — GlobalMentor, Inc. and John Wiley & Sons, Inc. today announced the publication of Graph Theory and Geography, an electronic book (eBook) that uses animation and user interaction to enhance the learning process. This educational text surpasses eBooks currently on the market by providing a new realm of interactive content. The book can be read using GlobalMentor's Mentoract™ Reader, the only eBook software currently able to support such rich content.