Martha E. H. Rustad is the author of more than one hundred nonfiction children's books, on topics ranging from snowflakes to termites to Ancient Babylon. She lives with her family in Brainerd, Minnesota.
Prompted lots of curiosity and questions from my 4 year old. It was not a tour of the planets from 1 to 8, more like a discussion by grouping. For example, four planets are gaseous, two planets are rocky... I wish it had more info though.