I've a huge amount of time for Peter Forbes as a writer. Both his The Gecko's Foot on the science behind some of nature's most remarkable abilities and Dazzled and Deceived on mimicry and camouflage in nature and human endeavour were brilliant. But I'm afraid I found it harder to engage with Thinking Small and Large . There's plenty of good stuff in it, but it didn't grab me in the same way. The topic here is the fundamental importance of microbes to life on Earth. By microbes, he is referring to single-celled organisms including bacteria, archaea, algae, fungi, protists and viruses, though Forbes does also point how much even in multi-celled organisms (like us) the important stuff happens on a microscopic scale. We start off by looking how we naturally incline to what we can see and directly experience - and how the common cultural idea that humans are in control of life on Earth (a concept that was originally down to divine intent, but now is more technologic...