Self-Publishing Basics: How to Pick the Size of your Book. Standard sizes vary for different genres of books, and printing methods may dictate your choices. Offset printing will give you many more size and paper choices than digital printing.
"Writers change the world one reader at a time. But you can't change the world with a book that's still on your hard drive or in a box under your bed. This blog exists to help you get that book into people's hands." —Joel Friedlander