**The Financial Times' Travel Book of the Year 2018** How many snowflakes does it take to build a snowman? Where is the snowiest place on Earth? When will the last snowflake fall? Snow has a lot in common with religion. It comes from heaven. It changes everything. It creates an alternative reality and brings on irrational behaviour in humans. But unlike most religions, snow has never had a bible, until now. Giles Whittell, a passionate snow enthusiast, takes the reader on a quest through centuri..