Mark Wells read law at Cambridge University and returned to his old college as a Bursar and Fellow after a business career. Now a full-time author, Mark’s debut novel, College of Shadows, was an Amazon YA fantasy bestseller. Riddle of the White Sphinx is his first children’s book, attracting glowing endorsements from Sir Michael Morpurgo, Dame Mary Beard and the Arts Council of England. Mark lives with his family in Cambridge and can be found wandering through its many colleges and museums, plotting...