Sherlock Jones, Junior Detective Series #4: The Phantom Airplane

Penny and Sherlock feel as if they've landed in the lap of luxury when they are invited to vacation in the plush lakeside lodge of a wealthy friend. But it soon becomes evident that the young detective team is not going to enjoy a quiet retreat. As they begin to uncover the secrets of some shady activity at a neighboring estate, their investigative zeal gets them a little too close–close enough to be captured by the enemy! Recommended for ages 9 to 12.