Roger, Diana, Snubby and Barney just love solving mysteries – with Loony the dog and Miranda the monkey to help! The holidays will be fun, think Roger and Diana, despite having to have extra lessons. After all, their cousin Snubby is staying with them, they make a new friend called Barney 'and' there's an abandoned big house to explore nearby. But when Barney disappears the children begin to worry about the strange behaviour of their new tutor…
Barney, Roger, Diana and Snubby love solving mysteries and when some rare and valuable papers are stolen, it seems there might be a connection with a fair travelling in the area. The children start to investigate and soon get into danger. Age 8+
Barney, Roger, Diana and Snubby love solving mysteries. When the children are feeling poorly they are sent to Ring O' Bells Village to recover. Soon they are exploring the secret passage in Ring O' Bells Hall. Is it really a dead end or does it follow the route marked on an old map they find? And who, or what, is making those strange noises? Age 8+
Barney, Roger, Diana and Snubby love solving mysteries and when Miss Pepper takes the children to stay at a village inn by the sea she's hoping for a quiet holiday. But strange things happen at the inn and then an explosion at a nearby submarine base starts a police investigation. The children are determined to find the answers first. Age 8+
Roger, Snubby, Diana and Barney are all looking forward to spending the winter holidays in a cosy old house surrounded by snow-covered hills. But who was knocking at the door in the middle of the night and what is the noise coming from the kitchen? Age 8+
Three weeks' holiday at Merlin's Cove sounds perfect to the four friends. They plan days full of swimming, ice creams and picnics on the beach. But then Snubby finds a letter written in code and the children soon realise that something sinister is happening. Age 8+