There are 3 books in the My Solar-Powered History series.
The My Solar-Powered History series does not have a new book coming out soon. The latest book, What's in the Suitcase, Grandma? (Book 3), was published in January 2014.
The first book in the My Solar-Powered History series, What, No Sushi?, was published in April 2013.
The My Solar-Powered History series primarily falls into the Christian genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.