Elements as Explained by Sushi (with help)

I wanted to do a book about our big, bad, cranky, beautiful apple head Siamese, but then I thought I would do two at once; pictures of the handsome critter, and explanations to help me remember how to use Elements to its potential.  So if anyone learning Photoshop can use an idea here, that is excellent.
And enjoy our "kitten". Not everyone shares our love for him, but hey, c'est la vie, no?