"As the official organic gardener for the White House, Casey Calhoun is usually up to her elbows in something or other. But when someone starts tampering with the Presidential vegetable garden, she soon finds herself in way over her head. As if it wasn't bad enough that red peppers are growing instead of green ones and cabbage is popping up where the First Lady's favorite lettuce should be--a hard-nosed investigative reporter is found dead after targeting...