Test your general knowledge with our 50-question Magna Carta multiple-choice quiz, celebrating 800 years in the fight for freedom from 1215 to 2015. Every completed entry gets a special discount off a What on Earth? purchase – and the better your score, the greater your discount!
Find out more about the writers and artists behind What on Earth Books and Britannica Books!
Read our individual author and illustrator profiles to discover more about their work and processes, and browse through our fantastic videos!
We've got book trailer videos featuring our authors, bedtime stories read by our authors, and a whole series of Q&A videos featuring the illustrators from It's Up to Us
Author of Listified!
President of What on Earth Publishing and author of Absolutely Everything, Humanimal, and It's Up to Us. Christopher also edited Britannica's All New Children's Encyclopedia.
Author of Amazing Islands and Ocean
Author of Antarctica