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  • Published: 9 July 2025
  • ISBN: 9781623546090
  • Imprint: Charlesbridge Children
  • Format: Board Book
  • Pages: 22
  • RRP: $17.99

Whose Egg Is That?




A nonfiction guessing game that explores the connections between an animal, its eggs, and its habitat. Now as a board book!

Babies and toddlers will have fun making page-turn predictions, and grown-ups will appreciate learning such eggcellent facts.

A nonfiction guessing game that explores the connections between an animal, its eggs, and its habitat. Now as a board book!

Babies and toddlers will have fun making page-turn predictions, and grown-ups will appreciate learning such eggcellent facts.

Written by a mammalogist at the Smithsonian, this clever page-turner pairs five eggs with information about the animals' survival mechanisms, asking kids to guess which animal laid which egg.

Featured animals in Whose Egg Is That? include:

  • Emperor penguin
  • Sea turtle
  • Ostrich
  • Robin
  • Dinosaur

Little learners will love this nonfiction guessing game book about animals, their eggs, and their habitats with perfect page-turn reveals!
  • Published: 9 July 2025
  • ISBN: 9781623546090
  • Imprint: Charlesbridge Children
  • Format: Board Book
  • Pages: 22
  • RRP: $17.99

About the author

Darrin Lunde

Darrin Lunde has worked as a mammalogist at the American Museum of Natural History and at the Smithsonian Institute. His work has brought him into contact with all kinds of animals, big and small, throughout the remote forests of South America, Africa, and Asia where he camped for months at a time to survey species diversity and to discover new species. He is the author of Hello, Bumblebee Bat, a Theodor Seuss Geisel Award Honor Book, After the Kill, and other books about animals. He lives in Washington, DC.

Also by Darrin Lunde

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Praise for Whose Egg Is That?

Praise for Whose Footprint Is That?

  • "Finally, footnotes readers will enjoy!"--Booklist
  • "This charmer will hold young children's interest and will succeed one-on-one or as a group read-aloud."--Kirkus Reviews
Praise for Whose Poop Is That?
  • "Accurate, and includes just enough detail to highlight the keys to identification while remaining friendly and inviting to novice naturalists."--Horn Book
  • "A primer on poop and a guessing game, especially for those just beyond toilet training."--Kirkus Reviews
Praise for Monkey Colors
  • "Simple and effective, a charming early reader about variety in the natural world."--Kirkus Reviews, starred review