They sculpt our organs, protect us from diseases, guide our behaviour, and bombard us with their genes. They also hold the key to understanding all life on earth.

In I Contain Multitudes, Ed Yong opens our eyes and invites us to marvel at ourselves and other animals in a new light, less as individuals and more as thriving ecosystems. You'll never think about your mind, body or preferences in the same way again.

'Super-interesting... He just keeps imparting one surprising, fascinating insight after the next. I Contain Multitudes is science journalism at its best' Bill Gates.