A private detective who also happens to be a beaver and an unlikely duo investigate the theft of some priceless chocolates. For readers aged 7+ with black and white illustrations.

Ten-year-old Jacob Oolong lives with his eccentric great aunt, Lady Petronella Oolong in the penthouse flat of Odd-Doings House. They arrive home one afternoon to find an enormous heart shaped box of chocolates has arrived for Lady Oolong. These are from Eclair's (Est. 1844) and are the most expensive chocolates in the world. But the next morning they've vanished—stolen!

With his great aunt in shock, it's up to Jacob to find out who has taken them, but he'll need help. He calls in a private detective who is a beaver living on the floor below them. Enter... J. Algernon Pickle. Together, J. Algernon Pickle and Jacob set about investigating this mystery. Things take an unexpected turn when it becomes clear that the chocolates could only have been stolen by someone who lives in Odd-Doings House. But WHO could it be?