This is a used trade paperback textbook titled "Adobe Photoshop CS3 - Classroom in a Book: the Official Training Workbook from Adobe Systems." It includes 496 pages of content covering topics such as computer graphics and digital media/photography. The book measures 9.3 inches in length, 7.6 inches in width, and 0.8 inches in height, with a weight of 34.7 ounces. It was published in 2007 by Adobe Press and is part of the Classroom in a Book Series. The book is written in English and is intended for adult learners in the subject area of computers.