The Lost Art of Reading Nature's Signs is now into its seventh printing in the US. My thanks to all who have bought it.

I just sent out my latest newsletter (you can subscribe at the bottom), which included the four mini challenges below: Answers at the bottom. 1. The two leaves above were taken from the same copper beech tree, one from the north side, one from the…

My thanks to the Don Winslow for giving How to Read Water a mention in the 'By the Book' column in the New York Times Book Review this weekend, here is the snippet: What’s the most interesting thing you learned from a book recently? It…