Atlantis:The Search for the Lost City by Mary-Jane Knight, illustrated by Philip Chidlow
Readers get caught up in the adventure when a state-of-the-art 19th century submarine sets out on a quest to find the legendary lost city of Atlantis. When danger strikes, a young stowaway comes to their rescue. Readers must follow each clue as the story unfolds, and decode a series of puzzles using the enclosed code wheel. Along the way, they will uncover the history of marine technology & navigation, ancient map-making, and the many fascinating theories behind the mythology of Atlantis.