The unique relationships shared by twins are discussed across a broad range of literature, both in fiction and nonfiction, from beginner board books to novels to biographies. In this list, we focus on twins in children's literature. We've rounded up the very best books exploring all parts of being a twin, from showing some of the harder situations twins face to sharing the many adventures twins have together. Our list includes board books perfect for infants and toddlers age 0 to 2, picture books great for elementary school age children, and chapter books good for late elementary school through early middle school age kids. The list can be filtered by book type to make it easy for you to find age relevant books. Whether you're a twin yourself, have always wanted a twin, or just like to read about twins, these children's books offer terrific stories about the unique relationships shared by twins. As you see peruse our list, please share with us any of your favorites we didn't include!