Nulli und Priesemut" is a series of children's books by the German author James Krüss, first published in the 1950s. The books tell the stories of two friends, Nulli the fox and Priesemut the rabbit, who experience adventures together and help each other.

They are written in a simple and humorous language and contain many illustrations that support the plot. The books are particularly suitable for young readers of pre-school and primary school age.

The plot is often about friendship, cohesion and solving problems. Nulli and Priesemut are very different, but they accept each other and learn from each other. Often their adventures are also connected with little moral lessons, such as the importance of honesty and responsibility.

Based on the very popular children's books, there is also a television series that is regularly broadcast on Sundays in the Sendung mit der Maus. And some plays.