The Queens of Africa series does not have a new book coming out soon. The latest book, Learn Confidence (Book 7), was published in June 2011.
The first book in the Queens of Africa series, Queen Amina of Zaria, was published in June 2011.
The Queens of Africa series primarily falls into the Historical genre. This middle grade series was written for ages 8-12, but can be enjoyed by older readers as well.