Tom Greve
1) Trapped
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Summary
Mario has to finish a school assignment or forfeit participation in the Texas high school football championship, but when he falls into a deep sinkhole, he has a lot more to worry about--especially when it fills up with snakes and the vultures start to circle overhead.
6) Astronomers
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This book is about astronomers who specialize in different areas that are related to space.
7) Botanists
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This book explores botanists who specialize in different areas that are related to plants.