Adobe Photoshop CS4 for Photographers: A Professional Image Editor's Guide to the Creative use of Photoshop for the Macintosh and PC: Evening, Martin: 9780240521251: Amazon.com: Books
Adobe Photoshop CS4 Classroom in a Book: Adobe Systems: 9780321573797: Amazon.com: Books
Adobe Photoshop CS4 for Photographers: A Professional Image Editor's Guide to the Creative use of Photoshop for the Macintosh and PC: Evening, Martin: 9780240521251: Amazon.com: Books
Adobe CS4 Design Standard (PC) : Amazon.co.uk: Software