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THE BRILLIANT CALCULATOR

HOW MATHEMATICIAN EDITH CLARKE HELPED ELECTRIFY AMERICA

Rousing encouragement for readers—especially math-minded ones—to follow their dreams.

An account of the life of the first female electrical engineer in America.

Edith Clarke was born on a farm in Maryland in 1883, one of nine children. Her father died when she was 7, and when her mother died five years later, her uncle sent her to boarding school, where she was meant to learn “manners and music.” Instead, Edith studied algebra and geometry. When she inherited money left to her by her parents, she enrolled in Vassar College, graduating with a degree in mathematics and astronomy. A critical illness convinced Edith to go after her dreams, and she earned an engineering degree from the Massachusetts Institute of Technology, but no one was willing to hire a woman engineer. She worked during the day computing calculations for a company building power lines, and she spent her evenings studying electrical current load in wires, which led to an invention, the Clarke Calculator—and a job as an engineer. Skillfully told and illustrated, this story is full of details and depth. The full-color images catch the eye and playfully include mathematical puzzles. Edith’s quotes are interspersed throughout, highlighting her love of math and her determination to succeed in a traditionally male field. This one will inspire and validate any readers who love mathematics and calculations, especially anyone who has felt marginalized within STEM fields. Edith and most characters present White. (This book was reviewed digitally.)

Rousing encouragement for readers—especially math-minded ones—to follow their dreams. (author’s note; diagrams; timeline; glossary; information on other women mathematicians, engineers, and inventors; bibliography; picture credits) (Picture-book biography. 6-9)

Pub Date: March 14, 2023

ISBN: 978-1-66268-006-9

Page Count: 40

Publisher: Calkins Creek/Astra Books for Young Readers

Review Posted Online: Dec. 13, 2022

Kirkus Reviews Issue: Jan. 1, 2023

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BUTT OR FACE?

A gleeful game for budding naturalists.

Artfully cropped animal portraits challenge viewers to guess which end they’re seeing.

In what will be a crowd-pleasing and inevitably raucous guessing game, a series of close-up stock photos invite children to call out one of the titular alternatives. A page turn reveals answers and basic facts about each creature backed up by more of the latter in a closing map and table. Some of the posers, like the tail of an okapi or the nose on a proboscis monkey, are easy enough to guess—but the moist nose on a star-nosed mole really does look like an anus, and the false “eyes” on the hind ends of a Cuyaba dwarf frog and a Promethea moth caterpillar will fool many. Better yet, Lavelle saves a kicker for the finale with a glimpse of a small parasitical pearlfish peeking out of a sea cucumber’s rear so that the answer is actually face and butt. “Animal identification can be tricky!” she concludes, noting that many of the features here function as defenses against attack: “In the animal world, sometimes your butt will save your face and your face just might save your butt!” (This book was reviewed digitally.)

A gleeful game for budding naturalists. (author’s note) (Informational picture book. 6-8)

Pub Date: July 11, 2023

ISBN: 9781728271170

Page Count: 40

Publisher: Sourcebooks eXplore

Review Posted Online: May 9, 2023

Kirkus Reviews Issue: June 1, 2023

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I AM GRAVITY

An in-depth and visually pleasing look at one of the most fundamental forces in the universe.

An introduction to gravity.

The book opens with the most iconic demonstration of gravity, an apple falling. Throughout, Herz tackles both huge concepts—how gravity compresses atoms to form stars and how black holes pull all kinds of matter toward them—and more concrete ones: how gravity allows you to jump up and then come back down to the ground. Gravity narrates in spare yet lyrical verse, explaining how it creates planets and compresses atoms and comparing itself to a hug. “My embrace is tight enough that you don’t float like a balloon, but loose enough that you can run and leap and play.” Gravity personifies itself at times: “I am stubborn—the bigger things are, the harder I pull.” Beautiful illustrations depict swirling planets and black holes alongside racially diverse children playing, running, and jumping, all thanks to gravity. Thorough backmatter discusses how Sir Isaac Newton discovered gravity and explains Albert Einstein’s theory of relativity. While at times Herz’s explanations may be a bit too technical for some readers, burgeoning scientists will be drawn in.

An in-depth and visually pleasing look at one of the most fundamental forces in the universe. (Informational picture book. 7-9)

Pub Date: April 15, 2024

ISBN: 9781668936849

Page Count: 32

Publisher: Tilbury House

Review Posted Online: May 4, 2024

Kirkus Reviews Issue: June 1, 2024

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