Book 12 of Bloodhounds, Inc. With the help of a new invention from Doc, Sean and Melissa have grown Midvales tallest flower, winning an all expenses-paid trip to Washington, D.C. Weird things start happening when they arrive at the hotel, however. What is that moaning coming from room 570? Is the hotel really haunted? When Sean starts growing flowers in his hair, Bloodhounds, Inc. realizes theyve got a mystery to solve. Suddenly Sean thinks its uncool to be a Christian, and he needs a quick reminder that Jesus is "the light of the world," and only with Gods help can he and his sister figure out this frightful mystery.