The Boyfriend App

Audrey McCarthy and her best friend Blake were popular as freshmen, but by senior year, Blake has turned mean, and Audrey's only friends are the computer geeks that Blake and her posse call trogs, short for troglodytes. But it's the trogs' turn to shine when the Public Company (think Apple plus Facebook) announces an app contest, with a $200,000 prize. A talented coder and hacker, Audrey is determined to win. Her first app, a boyfriend finder, starts strong, but fizzles when the couples it's brought together start breaking up. Then comes version 2.0, which builds on the underhanded way Public keeps teens connected to its products. Debut author Sise makes app design fun and approachable, while adding a pinch of caprice into the storyline. Audrey's relationship with adorable fellow-trog Aidan evolves at a slow pace, especially compared to the speed with which the mayhem and scandal result from Audrey's app%E2%80%94and what she discovers about Public. But Sise creates a clever, independent-minded heroine, while exploring the drawbacks of modern technology, and offering painful insight into friendships gone sour. Ages 13%E2%80%93up. Agent: Brenda Bowen, Sanford J. Greenburger Associates. (May)