Josh video tapes what he thinks is a diving whale off the Hawaiian island of Maui, but it was actually the accidental sinking of a highly secret Soviet robot submarine. The Soviets are desperate to find the sub before the U.S. Navy does. Josh’s confidence is betrayed by a new friend, causing the spies to do anything to make Josh reveal where he saw the sub sink.

The Ladd Family series is a Christian-based adventure series enjoyed by youth ages 8 to 12. The action-packed adventures are ideal for boys and reluctant readers. Includes a glossary of words for vocabulary development.