DOLPHINS by Susan Casey


Voices in the Ocean
Age Range: 10 - 14
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In this middle-grade adaptation of Voices in the Ocean: A Journey into the Wild and Haunting World of Dolphins (2015), Casey escapes her city life and journeys around the world to better understand how dolphins live, think, and relate to humans.

After experiencing a life-changing swim with dolphins, Casey puts her job on hold and begins researching and writing about cetaceans. The book includes interviews with experts, her experiences traveling the world, and fascinating tidbits, including how dolphins evolved from “mammals that resembled small, hooved wolves.” She encourages readers to delight in the animals’ gifts by highlighting their brain science and complex personalities. With approachable prose and engrossing detail, she describes everything from how a dolphin pod saved a suicidal girl to how their sonar works. Casey is tough on the marine-park industry, poachers, man-made underwater acoustic smog, and humanity’s pollution of the Earth and its waters. She writes explicitly about the slaughter of dolphin populations at the hands of humans, candidly addressing their extermination in Taiji, Japan. The final chapter, on dolphins in Minoan art, is an unsatisfying tangent even though the overall book is a riveting look at the world of dolphins.

A compelling and eye-opening story of the interconnected worlds of humans and dolphins that’s full of engaging detail and vivid language. (acknowledgments, selected bibliography) (Nonfiction. 10-14)

Pub Date: Jan. 23rd, 2018
ISBN: 978-1-5247-0085-0
Page count: 208pp
Publisher: Delacorte
Review Posted Online:
Kirkus Reviews Issue: Nov. 15th, 2017


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