Oxford Reading Tree Read with Biff, Chip and Kipper: Level 2: Picnic Time and O
Title: Oxford Reading Tree Read with Biff, Chip and Kipper: Level 2. Author: Roderick Hunt, Alex Brychta, Nick Schon, Annemarie Young ISBN 10: 0192736507. Publisher: OUP Oxford ISBN 13: 9780192736505.