Landau, Elaine Apatosaurus. - Danbury, CT : Children's Press, 1999. - True Books . Permabound edition BAM grant Describes the physical characteristics, habits, and natural environment of the huge plant eating Apatosaurus and discusses theories on why it became extinct. ISBN: 0-516-20434-3 Subjects--Topical Terms: ApatosaurusDinosaurs