Knight Books, UK

Safari Adventure

By Willard, Price, Marriott, Pat, Willard Price, Pat Marriott

The Famous Five and the Mystery of the Emeralds

By Claude Voilier, John Cooper, Anthea Bell

Adventure of the Strange Ruby

By Enid Blyton, Roger Payne

The Famous Five and the Z-rays: A New Adventure of the Characters Created by Enid Blyton (Knight Books)

By Voilier, Claude, Harvey, Bob