We are not, it turns out, alone.

Human beings (and all other animals, from dogs to squids to mosquitoes) harbor a world of microbes within and on us, ecosystems of symbionts that have partnered with other earthly life from the moment that life began to emerge. The enthusiasm that popular science writer Ed Yong brings to his subjects is palpable and infectious, his writing is rich with both awe and humor.

Carefully weaving decades of science into a coherent and fascinating whole, I Contain Multitudes reveals the wonder of our invisible worlds.