Permanent Rose by Hilary McKay (and all of Hilary McKay's novels...)
Holes by Louis Sachar (and pretty much everything he's ever written)
The Alvin Ho and Ruby Lu series by Lenore Looke
Fantastic Mr. Fox by Roald Dahl (and anything else written by him—try Esio Trot!)
The Thief by Megan Whalen Turner
The Mysterious Benedict Society by Trenton Lee Stewart
The Westing Game by Ellen Raskin
The Mysterious Case of Origami Yoda by Tom Angleberger
A Matter of Magic by Patricia Wrede
