The American Girl Molly Storybooks Set of 2 includes two novels titled "Happy Birthday Molly" and "Changes for Molly." Written by Valerie Tripp and illustrated by Nick Backes, these fiction books cater to children aged 9-12 who are fans of the American Girl franchise. With a vintage feel to the books, the set is perfect for young readers who enjoy learning about the adventures of the American Girl dolls. The stories are written in English and focus on the theme of dolls, making them a delightful addition to any young reader's collection.