Ulf Lofgren Related books alvin and the unruly elves Lerner Pub Group • 1992 Alvin the Knight (Picture Books) Lerner Pub Group • 1992 Alvin the Pirate Lerner Pub Group • 1990 Alvin the Zookeeper Lerner Pub Group • 1991 Ricky and Someone Hodder & Stoughton General Division • 1985