http://ebooks-it.org/e-books/focal-press/Focal.Press.Adobe.Photoshop.CS5.For.Photographers.A.Professional.Image.Editors.Guide.To.The.Creative.Use.Of.Photoshop.For.The.Macintosh.And.PC.May.2010.ISBN.0240522001.pdf

Note: copy link to software download....enjoy