Wee Free Men, Paperback by Pratchett, Terry, ISBN 0060012382, ISBN-13 9780060012380, Brand New, Free shipping in the US

A young witch-to-be named Tiffany teams up with the Wee Free Men, a clan of six-inch-high blue men, to rescue her baby brother and ward off a sinister invasion from Fairyland. Reader's Guide available. Reprint.