Mum wants to take a photo of the sunset in A Picnic at Sunset . But where is the camera? The non-fiction book that accompanies this title is At Sunset . 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. These topic-linked pairings will develop and deepen their reading comprehension and foster a love of reading across both text types.