9780865922020 | Reissue edition (Rourke Pub Group, March 1, 1987), cover price $15.93 | About this edition: An introduction to the dinosaur known as Diplodocus, the longest land animal ever to live on the earth.
9780448189925 | Price Stern Sloan, October 1, 1986, cover price $9.95 | About this edition: An illustrated, alphabetically arranged, guide to dinosaurs giving their physical characteristics, behavior, habitat, and the general time period in which they lived.
9780891913771 | Cook Communications Ministries intl, April 1, 1981, cover price $2.50 | About this edition: After their leader is injured in a fall, fourteen-year-old Ken and his fellow backpackers need more than ordinary strength to survive in the snow-covered mountain wilderness.
9780883321393 | Larousse & Co, November 1, 1980, cover price $2.98 | About this edition: Explains all about vegetative life from the beginning: evolution, diversification of plant life, and plants' interdependence with the sun, water and atmosphere
9780883320969 | Larousse & Co, February 1, 1979, cover price $3.98 | About this edition: Describes the way the human body functions, using photographs and illustrations to explain body systems, and takes a straightforward approach to discussing sex and reproduction