Revelations: Book One of Merlin Chronicles (Volume 1) (by Daniel Diehl): Jason is surprised to find Merlin, the reason mythical wizard, actually present.
Basbanes devotes a whole chapter to "Three Little Words"- rarity, scarcity and value - in his book, On the list of Gently Crazi. http://pr.lgubiz.net/bbs/board.php?bo_table=free&wr_id=508233