When Matthew enters a contest at the beach, he builds an amazing, incredible, unbelievable sandcastle! Robert Munsch is the author of more than forty books, including smelly Socks, Boo! and Lighthouse. He wrote this story for a boy named Matthew, whose family loves to go camping in the summer. Michael Martchenko is one of Canada's most popular children's book artists. He has illustrated dozens of picture books, including we Share Everything, The Paper Bag Princess, ans Smelly Socks.