candidate: " The Dumb Bunnies " ( 1994 , Blue Sky Press ; ISBN 0-590-47708-0 ) " The Dumb Bunnies ' Easter " ( 1995 , Blue Sky Press ; ISBN 0-590-20241-3 ) " Make Way for Dumb Bunnies " ( 1996 , Blue Sky Press ; ISBN 0-590-58286-0 ) " The Dumb Bunnies Go to the Zoo " ( 1997 , Blue Sky Press ; ISBN 0-590-84735 - X )