Andrew, Judy, and Thudd have escaped primordial Earth only to find themselves surrounded by huge–and hungry!–dinosaurs. Meanwhile Uncle Al is still stranded in the Ice Age. Somehow Andrew, Judy, and Thudd must fix their time machine and rescue Uncle Al–before he becomes a human ice cube! Kids, parents, and teachers love this series–kids for all its gooey grossness, and teachers and parents for all the fun science and great discussion points!

作者簡介：

J. C. Greenberg is the author of many books for young people in the library and reference field. She's a frequent visitor to schools and pays close attention to kid feedback. She's married to Dan Greenberg, author of The Zack Files, and lives in New York.

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