Biff, Chip and Kipper go to the beach with Mum and Dad in In the Sun . Is Dad sitting in the shade? The non-fiction book that accompanies this title is Sun Hat, Sunscreen, Sun! . Oxford Reading Tree Explore with Biff, Chip and Kipper is a series of paired fiction and non-fiction books linked by curriculum-related topics. Each pair consists of an engaging story featuring well-loved characters and a compelling non-fiction book.