Oh, this book about reindeer

sounds absolutely amazing: it's The Reindeer People: Living with Animals and Spirits in Siberia by Piers Vitebsky. That is a book I must get at once, and it even counts as research for the (long-postponed) sequel to Dynamite No. 1. Did you know that reindeer can run at a speed of 20 to 30 miles an hour for hours on end?