All in a Drop: How Antony van Leeuwenhoek Discovered an Invisible World

All in a Drop: How Antony van Leeuwenhoek Discovered an Invisible World


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Robert F. Sibert Honor Award winner
A Junior Library Guild Selection
A 2020 Outstanding Science Trade Book
A New York Public Library Best of 2019
A 2020 Best STEM Book by NSTA and CBC

For fans of the “Who Was” series, this lively, accessible, and full-color chapter book biography shows how a self-taught scientist was the first to observe the microbial life in and around us. By building his own microscope, Antony van Leeuwenhoek advanced humanity’s understanding of our oft-invisible world around us. 

Microbes are everywhere: in the soil and oceans, in snow, and inside our bodies. But in Antony van Leeuwenhoek’s time, people believed that what they saw with their own eyes was all that existed in the world. How did a simple tradesman—who didn’t go to college or speak English or Latin like all the other scientists—change everyone’s minds?

            Proving that remarkable discoveries can come from the most unexpected people and places, this eye-opening chapter book, illustrated with lively full-color art, celebrates the power of curiosity, ingenuity, and persistence.

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Product Details

ISBN-13: 9781328884206
Publisher: HMH Books
Publication date: 08/06/2019
Pages: 96
Sales rank: 190,731
Product dimensions: 6.10(w) x 9.10(h) x 0.50(d)
Lexile: 890L (what's this?)
Age Range: 7 - 10 Years

About the Author

Lori Alexander is an experienced author who specializes in children's literature. The author of Backhoe Joe, Famously Phoebe, and All in a Drop, she enjoys writing nonfiction and highlighting events and individuals. She currently resides with her husband and two children under the star-filled skies of Tucson, Arizona. For more information, visit

Kevin T. Collins is an experienced narrator, actor, singer, and recording artist who received his BFA from New York University's Tisch School of the Arts. He has narrated numerous audiobooks, including the Earphones Award-winners Testimony and Lone Survivor as well as the 2011 Audie Award-winning Beautiful Creatures. For more information, visit

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