Heinz Janisch was born in Güssing, Austria. He studied German and journalism in Vienna. He has worked for Austrian radio since 1982 and is editor of the series Menschenbilder [Human Images]. He has published countless books for children of all ages and has been awarded many prizes, including the Austrian Prize for Books for Children and Young Adults, and the Bologna Ragazzi Award. He has also been nominated for the German Prize for Children's Literature. Heinz now lives in Vienna and in Burgenland, Austria. Silke Leffler was born in 1970 in Vorarlberg and grew up in Holland, Austria, Germany, and Africa. After graduation she did a tailor's apprenticeship and studied textile design.

Since 1998 she has worked as an illustrator for stationery and children's books. She lives with her family near Lake Constance.