WIRED. By Anastasia Suen, illustrated by Paul Carrick. Charlesbridge, $6.95. This book, now out in paperback, is an excellent insight into how electricity works, particularly as it pertains to the energy dancing beneath our fingertips as they tap along a computer keyboard, and as it flows or, just as importantly, pauses, at the outlet under our desk. Ostensibly Wired is a learning tool for the elementary school student, but anyone of any age could benefit from it, for who among us outside of M.I.T.