About the Book: Case Closed #3: Haunting at the Hotel
Carlos Serrano is now officially an apprentice detective at Las Pistas Detective
Agency. He finally earned his moms trust, but his next case will be his most
difficult one yet. Guests at a creepy mountain hotel are complaining of weird
disturbances, threatening messages, and hair-raising howls! Carlos, along with
his best friend, Eliza, and her wacky little brother, Frank, arrive on the scene
to investigate a . . . ghost? What secrets is this haunted hotel hiding? With
tricky puzzles, ghoulish secrets, ectoplasmic enemies, and dozens of impossible
choices, these junior detectives need your sleuthing skills! Can