Quantumus: A Matter of Science – Featuring Colonel Chris Hadfield is an inspiring new children’s science adventure that brings together imagination, storytelling, and the guidance of one of Canada’s most celebrated astronauts, Colonel Chris Hadfield.

Chris Hadfield has inspired millions worldwide with his achievements in space, his bestselling books, and his ability to make science accessible and exciting for all ages. In this unique children’s book, Chris Hadfield joins Christopher Brian on an unforgettable journey inside the Time Cavern, a magical gateway that transports young readers across time and space. Together, they search for Quantumus—a mysterious guide who holds the secrets of the universe.