The Level 7 Biff, Chip and Kipper Stories, written by Roderick Hunt and illustrated by Alex Brychta, provide a rich story context to help develop language comprehension and decoding skills.
Stories, More Stories A and More Stories B involve familiar situations and a variety of fantasy settings through the magic key adventures. Longer stories help to build reading stamina, which is important for later reading success.
Oxford Reading Tree: Level 7: More Stories A: Pack of 6 contains:

Oxford Reading Tree: Level 7: More Stories A: The Bully
Oxford Reading Tree: Level 7: More Stories A: Chinese Adventure
Oxford Reading Tree: Level 7: More Stories A: The Hunt for Gold
Oxford Reading Tree: Level 7: More Stories A: The Jigsaw Puzzle
Oxford Reading Tree: Level 7: More Stories A: The Motorway
Oxford Reading Tree: Level 7: More Stories A: Roman Adventure
Oxford Reading Tree: Level 7: More Stories A: Group/Guided Reading Notes