Is the master of the Yellow M back? Captain Francis Blake, dashing head of England's MI5. Professor Philip Mortimer, world-renowned nuclear physicist. The most distinguished duo of gentleman-adventurers, battling the forces of evil and their arch nemesis Olrik around the globe, below the earth, even across time itself... The 20th adventure of Her Majesty's finest protectors!

The Septimus Wave 2015, Cinebook Ltd, Canterbury

ISBN-13: 9781849182423

Trade paperback