Introducing the new Bio-Optic Organized Knowledge device, trade-named -- BOOK.

BOOK is a revolutionary breakthrough in technology! No wires, no electric circuits, no batteries, nothing to be connected or switched on! It's so easy to use, truly even a child can operate it!

Compact and portable, it can be used anywhere -- even sitting in an armchair by the fire -- yet it is powerful enough to hold as much information as a CD-ROM disc.

Here's how it works: