The search for the truth about some strange fossil bones takes Chuck, David, and the extraordinary Tyco Bass into the unknown regions of the Mushroom Planet.

Published
1960
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Author

Eleanor Cameron

Eleanor Frances (Butler) Cameron (1912–1996) was a Canadian children's author. Her first book was a novel for adults, The Unheard Music (1950). For The Court of the Stone Children (1973), she won the U.S. National Book Award in category Children's Books.