Burnham's Celestial Handbook: An Observer's Guide to The Universe

“Newton’s Gravity” conveys the power of simple mathematics to tell the fundamental truth about nature. Many people know the tides are caused by the pull of the Moon and to a lesser extent the Sun. But very few can explain exactly how and why that happens. Fewer still can calculate the actual pulls of the Moon and Sun on the oceans. This book shows in clear detail how to do this with simple tools.

Are we alone in the universe? Where did the moon come from? How do we know what stars are made of? Could there really be a future in asteroid mining?

Bees continue to fascinate and charm us all – from novice gardeners and nature-lovers to dedicated environmentalists – and today, bees need our help more than ever. Discover the story of these incredible creatures, with The Little Book of Bees. Bees first appeared on Earth an incredible 130 million years ago. Since the time of the dinosaurs, evolution has taken our beloved bees on an incredible journey – and today, there are 20,000 species on the planet.