Mysterious things are happening at the Lindegaard Zoo. Luckily they have two zoo detectives who take care of such things! When the white lion cub, Elsa disappears from Lindegaard Zoo and the police do not take the case seriously, Hanna and Theo have to solve the mystery themselves. Who has taken Elsa? And how long can she survive without food? The White Lion is the first book in the series about Hanna and Theo, who live and solve mysteries at
Lindegaard Zoo.