The book itself is extraordinary enough with its patient yet extremely thorough detailing of all things Palm Pilot (up to the Palm III). BUT THE CD-ROM, W/900 PROGRAMS ON IT BLEW ME AWAY. I was unprepared for its stunningly simple yet complete interface & functioning. Pogue has done all he needs to do this lifetime to earn his ticket into Heaven, as far as I'm concerned. Do no pass up this book.