Book excerpt: Clouds in the shape of dolphins, elephants, UFOs, even Alfred Hitchcock and Andy Murray . . . they're all here in this beautiful and hilarious collection of clouds photographed around the world by members of The Cloud Appreciation Society, selected and wittily captioned by Gavin Pretor-Pinney, winner of the Royal Society Winton Science Writing Prize. Author of the bestselling The Cloudspotter's Guide, A Pig With Six Legs and The Cloud Collector's Handbook, and creator of The Cloud Appreciation Society, Gavin's mission is to fight blue-sky thinking and encourage us to love and understand clouds. His new book is divided by themes such as 'Celestial Celebrities' and 'Airborne Animals', and includes an informative section on what clouds are and how they are formed. The perfect gift book for anyone willing to look skywards and discover the beauty and fascination of clouds.