A Most Extraordinary Ride

Space, Politics, and the Pursuit of a Canadian Dream

Merlin's Tour of the Universe, Revised and Updated for the Twenty-First Century

A Traveler's Guide to Blue Moons and Black Holes, Mars, Stars, and Everything Far

Living on Earth

Forests, Corals, Consciousness, and the Making of the World

The Super-Secret Mission to the Center of the Moon (Pie)

An Octagon Valley Adventure