Books2Door is a UK-based online retailer that specializes in children's books. The company was founded in 2004 with the aim of making it easy and affordable for families to buy books for their children. Books2Door's product range includes a wide selection of children's books, including fiction, non-fiction, educational, and activity books. The company offers books for all ages, from board books for babies to young adult fiction for teenagers. They also offer book sets and collections, making it easy for parents and educators to find a range of books on a particular theme or topic.