About this book
High school students pass through a portal to a primeval Earth where humans have never existed.
About the author
Steven Gould
Steven Charles Gould is an American science fiction writer. He has written ten novels. His 1992 novel Jumper was adapted into a film released in 2008. Source: Wikipedia (CC BY-SA 4.0), https://en.wikipedia.org/wiki/Steven_Gould
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Wildside
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