The Derring-Do Club and the Invasion of the Grey The Derring-Do Club and the Invasion of the Grey from Paul McCaffrey The Derring-Do Club and the Invasion of the Grey Cover for The Derring-Do Club and the Invasion of the Grey by David Wake, the third book in the series. View Website gLike The Derring-Do Club and the Invasion of the Grey Cover for The Derring-Do Club and the Invasion of the Grey by David Wake, the third book in the series. View Website Illustration Share R 7 n Available Freelance, Full-time, Moonlighting Paul McCaffrey Illustrator Burton Upon Trent, United Kingdom Follow Contact