Kai Lüftner was born in East Berlin. An author of books for children and young adults, he is also a musician, audio book editor, and director. Over the course of his career he has published more than twenty books, while his children’s music project, Rotz’n’Roll, has enjoyed great success and played lots of concerts. Lüftner lives with his family on the Danish island of Bornholm in the Baltic Sea.

Wiebke Rauers was born in Düsseldorf, where she studied communication design with a concentration in illustration. After receiving her degree she moved to Berlin and worked as a character designer in an animation studio. Since 2015 she has worked as a freelance illustrator of children’s books, film, and television. She lives in Berlin with her daughter, husband, and lots of stuffed animals.