Bob's Bible: Words, Anagrams & Hooks (Scrabble)
Book by Robert Gillis, listing 2-8 letter words along with their front hooks, back hooks, and anagrams.

The Official SCRABBLE (r) Players Dictionary, Third Edition
A newly revised and updated edition of the book that millions of Scrabble players call their bible. Authorized by the makers of Scrabble Brand crossword games and endorsed by the National Scrabble Association for recreational and school use.

Everything Scrabble, by Joe Edley, John D., Jr. Williams
Scrabble how-to book written by the National Scrabble Association. Learn basic play-making, a list of Q words with and without U, become an expert player. Complete list of two-letter words.