2009 - Precalculus Workbook for Dummies (Paperback) ISBN-13: 9780470421314 ISBN-10: 0470421312 Genres: Science & Math, Engineering & Transportation ? 2008 - Precalculus for Dummies [For Dummies Math & Science] (Paperback) ISBN-13: 9780470169841 ISBN-10: 0470169842 Genres: Reference, Science & Math ? |