Ellen Prager

Sex, Drugs, and Sea Slime: The Oceans' Oddest Creatures and Why They Matter

Ellen Prager

$7.29 - $9.29

The Oceans

Ellen Prager

$5.19 - $25.72

Volcano!

Ellen Prager

$4.89 - $6.29

Jump into Science: Earthquakes (Jump Into Science)

Ellen Prager

$5.19 - $7.99

The Shark Rider

Ellen Prager

$4.79 - $9.95

The Shark Whisperer

Ellen Prager

$4.79 - $9.95

Stingray City

Ellen Prager

$5.89 - $9.95

Jump Into Science: Earthquakes

Ellen Prager

$5.39 - $7.69

Dangerous Earth: What We Wish We Knew

Ellen Prager

$7.49

Chasing Science at Sea: Racing Hurricanes, Stalking Sharks, and Living Undersea with Ocean Experts

Ellen Prager

$5.09 - $24.09

Escape Greenland

Ellen Prager

$12.54

Escape Undersea

Ellen Prager

$13.18

Adventure on Dolphin Island

Ellen Prager

$10.39 - $13.18

Layers of the Earth

Ellen Prager

$5.09 - $5.69

Sea Slime: It S Eeuwy, Gooey and Under the Sea

Ellen Prager

$6.79 - $10.39

Megalodons, Mermaids, and Climate Change: Answers to Your Ocean and Atmosphere Questions

Ellen Prager

$19.52

Escape Galápagos

Ellen Prager

$9.49 - $12.06

Growing up Galapagos : Celelbrity X Cruises

Ellen Prager

Out of Stock

Megalodons, Mermaids, and Climate Change: Answers to Your Ocean and Atmosphere Questions

Ellen Prager

$117.01

Earthquakes and Volcanoes

Ellen Prager

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Furious Earth: The Science and Nature of Earthquakes, Volcanoes, and Tsunamis

Ellen Prager

$13.39