Here are 25 additional books to encourage your beginning reader! Level D expands upon Levels A, B, and C, and builds language skills with longer, varying sentences, tenses, and dialogue. - Ideal for new readers who are able to sound out some words. - Each story contains sight words to help children read independently. - Fun full-color pictures keep readers engaged. - Boxed set of 25 softcover books. - Each book has 8 pages and measures 6'' square. - Durable carrying case keeps books safe. - Case measures 6.25'' wide x 6.25'' high x 1.4'' deep. - A Note to Parents is included. Author Ruth Wolff, M.Ed., Ph.D. , is a learning specialist with extensive experience teaching reading. Artist Simon Abbott has been illustrating children's books for many years. Author Ruth Wolff, M.Ed., Ph.D. , is a learning specialist with extensive experience teaching reading. A former teacher and former graduate school of education adjunct professor, Ruth has guided numerous young readers in their journey to acquire literacy skills. Artist Simon Abbott has been illustrating children's books for almost 20 years. Whether drawing dogs, cats, frogs, or yaks, his books are guaranteed to make children smile.