The author Andrea Erne was born in 1958 in Stuttgart. She studied German studies, political science, and cultural studies, and after her traineeship, she worked as an editor for culture, social issues, and children's and youth literature at a daily newspaper. She then moved to Ravensburger Book Publishing as an editor in the hardcover picture book department. Since the birth of her two daughters, she has been working as an editor and author for book publishers and newspapers. She lives with her family in Tübingen.

For little ones, excavators are the greatest. Ingenious movement flaps illustrate their functions, and detailed illustrations allow for viewing different excavators from all angles.