Out of the Blue

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Out of the Blue: How Animals Evolved from Prehistoric Seas begins in the vast, empty sea when Earth was young. Single-celled microbes too small to see held the promise of all life-forms to come. Learn how and why creatures began to emerge from the deep—from the Cambrian Explosion to crustaceans, mollusks to fishes, giant reptiles to the rise of mammals—and how they compare to the animals we know today in this lively and thoughtful book.

Museum Story

The Smithsonian's National Museum of Natural History is the world's preeminent museum and research complex dedicated to inspiring curiosity, discovery, and learning about the natural world through its unparalleled research, collections, exhibitions and educational outreach programs.


  • 32 pages
  • Hardcover
  • Intended for ages 6 to 9
  • 10" x 10.9"
  • Written by Elizabeth Shreeve
  • Illustrated by Frann Preston-Gannon