David MacPhail has worked as a chicken wrangler, a ghost-tour guide and a waiter on a tropical island, and he now has the sensible job of writing about yetis and Vikings. David is also the author of An Amazing Illustrated Atlas of Scotland and the Lollies-nominated Thorfinn the Nicest Viking series, the Top-Secret Grandad series, and the Velda the Awesomest Viking series. He lives in Perthshire, Scotland. Laura Avi�� is an illustrator who lives in Barcelona, Spain.