Hardcover
Explore everything from supernovas to Taylor Swift, past to future!

What on Earth! Kids' Encyclopedia

Updated Edition - What We Know & What We Don't

$61.99

  • Hardcover

    424 pages

  • Release Date

    1 September 2025

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Summary

Developed in collaboration with Encyclopaedia Britannica, this landmark kids’ encyclopedia is packed with the latest facts, figures, and images, featuring everything from supernovas to Taylor Swift, and from ancient Egypt to artificial intelligence.

Earth, Space, Animals, History, STEM: This encyclopedia has them all!

With more than 400 pages of up-to-the-minute information, including the very latest facts and figures, cutting-edge expert insights, and over 1,…

Book Details

ISBN-13:9781804661505
ISBN-10:1804661503
Author:Christopher Lloyd, Mark Ruffle, Jack Tite
Publisher:What on Earth!
Imprint:What on Earth!
Format:Hardcover
Number of Pages:424
Edition:2nd
Release Date:1 September 2025
Weight:1.84kg
Dimensions:38mm x 213mm x 279mm
Audience Age:8-12
A-Format
B-Format
C-Format
What on Earth! Kids' Encyclopedia by Christopher Lloyd - ISBN: 9781804661505
213 × 279 mm
A4
mm / in
What They're Saying

Critics Review

“Visually rich and comprehensive, this updated encyclopedia is a standout resource for curious middle grade readers….Whether used for research, classroom support, or pleasure reading, this is a high-quality, multipurpose reference. VERDICT Highly recommended for both school and public libraries seeking to support STEM learning, global awareness, and reading skills.” - School Library Journal, Starred Review

“Broad in scope and enticing throughout.…Both the design and content offer curious readers any number of rewarding dips into topics ranging from the Big Bang and the effects of climate change to a current list of the world’s wealthiest people.” - Kirkus Reviews

“The book of the curious child’s dreams… a must for kids who enjoy fact books.” - Youth Services Book Review

Selected by the Children’s Book Council (CBC) for the September 2025 Hot Off the Press list

Praise for Britannica All New Kids’ Encyclopedia, First Edition:
“A refreshing transparency, from the ultrasmart subtitle to the mini profiles of its experts. Visually driven, with factoids, lists, infographics, even quizzes.” - The New York Times

“This exciting single-volume compendium ranges across time and space, and it’s packed with pictures.” - Meghan Cox Gurdon, The Wall Street Journal

“A perfect bookshelf addition for curious kids…Older kids will keep coming back to this book again and again.” - Forbes

“Well-illustrated and info-packed… a wonderful encyclopedia for the curious kids in all our lives.” - Mary Pope Osborne

About The Author

Christopher Lloyd

Christopher Lloyd began his career as a journalist with The Sunday Times newspaper in the UK, before setting out to write books. After his adult world history book, What on Earth Happened?, sold 500,000 copies worldwide, Chris turned his attention to children’s books. He is the author of the bestselling children’s nonfiction book Absolutely Everything!

Jack Tite is an award-winning illustrator, motion designer, and author based in Gloucestershire, UK. Influenced by vintage and mid-century illustrators, his style features simplified shapes, gritty textures, and a strict color palette. Jack is a dog-lover, food enthusiast, computer nerd, avid drummer, and jogger.

Mark Ruffle is an illustrator and graphic designer. Since he was young, Mark has drawn imaginary worlds, fantastic animals and marvelous humans. He worked as an art editor for Oxford University Press before going freelance. When he’s not doodling, he enjoys walking his dogs and cycling in the Cotswolds, UK, where he lives with his wife and two daughters.

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