(W/A/CA) Bill Griffith. By Bill Griffith SC, 8 1/2 x 9, 160 pages, PC, $18.99 ISBN 978-1-56097-963-0 An unexpected departure from previous Zippy collection, the latest volume is almost entirely devoted to chronicling the strange history, people and social mores of Zippy's hometown, "Dingburg," the only city in the U.S. inhabited entirely by pinheads ? well, aside from Washington D.C. and certain sections of Newark... complete with a fold-out map of this fabled enclave "17 miles west of Baltimore." Also, Dingburg's favorite comic strips, including "Fletcher & Tanya" and the Dingburg kids' favorite online comic, "Unibrow Versus the Universe." Plus the "Little Zippy" series and much, much more, including 24 pages of full-color Sunday strips.