Science fair sabotage

Jessie wants her science fair project to make a difference. So when she gets the chance to test a local creek for pollution, she can't wait to get started. But when things start going wrong with her experiment, Jessie and her siblings don't just have an experiment to investigate, they have...

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Bibliographic Details
Main Author: Warner, Gertrude Chandler
Format: BOOK
Other Format: EAUDIO EBOOK
Language:ENGLISH
Published: Albert Whitman & Company 2020
Series:The Boxcar Children book 157
Subjects: