Marcy and the Riddle of the Sphinx by Joe Todd-Stanton
Many years have passed since the tale of Arthur and the Golden Rope, and Arthur is now a world-famous adventurer. If only his daughter Marcy shared his enthusiasm for exploration...
Determined to bring out Marcy's adventurous side, Arthur sets off to Egypt to bring back the legendary Book of Thoth. When Arthur doesn't return, Marcy must follow in his footsteps. Can she overcome her fears and rescue her father from the clutches of the great Sphinx?