7 books • 3 series
Oxford Reading Tree Explore with Biff, Chip and Kipper: Oxford Level 1: As Big As Me! (Oxford Reading Tree Explore with Biff, Chip and Kipper)
Oxford Reading Tree Explore with Biff, Chip and Kipper: Oxford Level 2: Grow Me a Picnic (Oxford Reading Tree Explore with Biff, Chip and Kipper)