The "Ingrid Law Savvy Trilogy" includes a lot of 3 paperbacks - "Savvy," "Scumble," and "Switch." Written by Ingrid Law, this set is published by Penguin Young Readers Group and falls under the genres of Children & Young Adults and Fantasy. The books are in English and are intended for a young audience, ranging from ages 8 to 12. This trilogy follows the Beaumont family and their unique abilities known as "savvies."