Enigma : a magical mystery /
Graeme Base.
- New York, NY : Abrams Books for Young Readers, c2008.
- 36 p. : col. ill. ; 32 cm.
When Bertie the badger visits his grandfather at a retirement home for magicians, he learns that his grandfather's rabbit, Enigma, has disappeared along with everyone's magical things, and the reader is invited to help break a code to find the items hidden throughout the book. Includes a built-in decoder.