To obtain a fortune, a young boy assumes the identity of an older gentleman in the suspenseful middle-grade novel Someone in the Walls by Teymour Shahabi. Andrew Day never knew his parents, and he was lucky to receive a scholarship to Saint Clemens school. But...

Billionaire Lyndon Surway was last seen boarding his personal aircraft alone, which was his usual habit, but when he did not return at his usual time of 6 p.m., everyone knew something was wrong. The day before he seemed normal, so where was he? The...