Benjamin, Louis. Adobe Photoshop CS5 in simple steps / Louis Benjamin. - Harlow, England ; New York : Prentice Hall, c2010. - p. cm. ISBN: 9780273736820 Subjects--Uniform Titles: Adobe Photoshop. Subjects--Topical Terms: Photography--Digital techniques.Computer graphics. LC Class. No.: TR267.5.A3 / B452 2010