DAN CRYAN; SHARRON SHATIL; BILL MAYBLIN LOGIC A GRAPHIC GUIDE DAN CRYAN ; SHARRON SHATIL AND BILL MAYBLIN - - TOTEM BOOKS 2009 - 175 p. ISBN: 9781848310124 Subjects--Topical Terms: GENERAL Dewey Class. No.: 338.722 CRY / DAN