9780516034652 | Childrens Pr, May 1, 1978, cover price $9.95 | About this edition: Clever Karin thinks of a way to drive an enraged troll back into the forest.
When Tumble Town children begin fishing in Troll Lake, they pollute the environment and catch all the fish, until an angry troll appears, scaring them into cleaning up the lake
9780516036311 | Childrens Pr, July 1, 1978, cover price $9.93 | About this edition: The troll living at the bottom of the lake finally decides to do something about the children who are taking all the fish out of his lake and leaving a lot of debris behind.
9780516036137 | Childrens Pr, February 1, 1979, cover price $11.93 | About this edition: After Ross steals a charm from Tamtammy MacTroll's Talisman Tree, he and his friends, Dana and Barbara, run from the angry troll, moving deeper and deeper into the dark Troll Forest
9780516436722 | Childrens Pr, September 1, 1981, cover price $2.95 | About this edition: Ravencraven, the wicked troll witch who terrorizes Tumble Town, keeps her enchanted gnomes busy making shiny gold coins.
9780516037417 | Childrens Pr, September 1, 1981, cover price $11.27 | About this edition: Torrek and the other gnomes living in Pepper Tree Forest befriend an elfin girl who in turn betrays them to their enemy Gorlock, an evil dragon.
9780516037424 | Childrens Pr, September 1, 1981, cover price $9.95 | About this edition: Saga the Storyteller relates the story of Cathedral Lake to several young gnomes, then guides them to the mountain home of the lake's guardian.
9780516037431 | Childrens Pr, April 1, 1982, cover price $9.95 | About this edition: The gnomes must devise a strategy to destroy the wicked dragon that threatens their peaceful home.
9780516037448 | Childrens Pr, April 1, 1982, cover price $9.95 | About this edition: Huff and Puff, two young gnomes, outsmart three hungry, scheming trolls
9780516406534 | Childrens Pr, June 1, 1982, cover price $3.95 | About this edition: Describes how whales, killer whales, dolphins, sea lions, seals, and walruses live in the wild
Library:
9780516006536 | Childrens Pr, September 1, 1982, cover price $13.27 | About this edition: Describes how whales, killer whales, dolphins, sea lions, seals, and walruses live in the wild
9780516006543 | Childrens Pr, September 1, 1982, cover price $11.93 | About this edition: Describes the characteristics and behavior of lions, tigers, cheetahs, snow leopards, sand cats, and bobcats, and tells how they live in the wild
Text and photographs feature the physical characteristics, territories, feeding habits, and behavior in the wild and in zoos of the world's largest land mammals, including elephants, rhinos, river hippopotamuses, and okapis.
9780516006529 | Childrens Pr, October 1, 1982, cover price $13.27 | About this edition: Describes the characteristics and behavior of elephants, rhinoceroses, hippopotamuses, tapirs, and other huge land mammals from around the world