Rockingdown Hall is empty. So why are there strange noises coming from the cellars? Roger, Diana and cousin Snubby spend their summer holidays in the village of Rockingdown where they meet Barney, the boy who works at the circus. But if Rockingdown Hall is empty, why can strange thuds and gurgling be heard coming from the cellars? Barney, Roger, Diana and Snubby love solving mysteries and this is their first adventure!The Barney series (also called the Barney 'R' Mysteries because each title begins with the letter R) is all about siblings Roger and Diana Lynton, their cousin Snubby and their circus friend Barney. Together, the four, along with their pets Miranda the monkey and Loony the spaniel, embark on all sorts of adventures - from cracking curious cases to busting smuggling rackets.