Dr. Alvin Silverstein and Vigrinia B. Silverstein; illustrated by Lee J. Ames by Dr. Alvin Silverstein and Virginia B. Silvestein; illustrated by Lee Ames by Alvin and Virginia B. Silverstein, illustrated by Mel Hunter by Alvin Silverstein and Virginia B.Silverstein. by Alvin and Virginia Silverstein; illustrated by Angus M. Babcock Alvin and Virginia Silverstein; illustrated by Bernard Garbutt by Alvin Silverstein, Virginia B. Silverstein. by Millicent E. Selsam; illustrated by Lee J. Ames