This guide starts right at the very bottom, assuming no knowledge at all, and walks you through all basic aspects in 30 illustrated pages. Photoshop can be quite difficult, if you throw yourself at it without preparation. You’ve probably got no clue how everyone gets that wizardry done! Don’t despair, check out An Idiot’s Guide To Photoshop.
Among other things this guide shows you how to cut out items, remove the background from an image, make an image black and white, add a fake tattoo, crop and merge images, whiten teeth with the dodge tool, remove red eyes, work with gradients, create a water-like image reflection and more.