When a famous millionaire asks young detectives Max and Maddy Twist to investigate who is sabotaging an international balloon race for charity, t

Asked by a Swiss banker to investigate a series of bank robberies committed by dogs, young detectives Max and Maddy Twist travel to Switzerland,

When her niece Cat travels to a wedding in Italy, Isabel agrees to fill in at Cat's delicatessen. She takes note of a customer named Ian, who is

"Precious Ramotswe has two new friends at school and they have the funniest and most resourceful pet you can imagine. But they are upset that the

Before becoming the first female private investigator in Botswana, eight-year-old Precious Ramotswe tracks down a thief who has been stealing her

Staying with Aunty Bee at a safari camp in the Botswana countryside where a film crew is making a movie about a lion, nine-year-old Precious Ramo

Precious wants to be a detective when she grows up. She is always practicing at being a detective by asking questions and finding out about other

Before becoming the first female private investigator in Botswana, eight-year-old Precious Ramotswe tracks down a thief who has been stealing her

Von Igelfeld is the world's leading scholar on Portuguese irregular verbs, having written a majestic book on the subject. But in other matters, v

Harriet helps her detective aunts, Thessalonika and Japonica, investigate cheating at the racetrack by disguising herself as a jockey.

Isabel Dalhousie is asked to help a doctor who has been disgraced by allegations of scientific fraud concerning a newly marketed drug.