Blitzer, Robert. Precalculus essentials / Robert Blitzer. - 3rd ed. - Upper Saddle River, NJ : Prentice Hall, 2010. - xviii, 726 p. : ill.; 28 cm. Includes index. ISBN: 9780321600660 Subjects--Topical Terms: Algebra --Textbooks. LC Class. No.: QA154.3 / BLI 2010.