A BOOK OF LETTERS offers young readers a new approach to learning the alphabet. When Abigail Anderson receives an "A" in a letter from a friend, she adds a "B" and passes the letter to Bunny Bernstein. Bunny sends a "C" to Christopher Clark, and so begins the alphabet chain letter! As the story progresses, the letter is passed from one child to another, whose names all correspond to the next letter of the alphabet. The large 10x10 format allows for big, bold illustrations and the lift-up-flaps enable small fingers to "open" the "envelopes" inside, creating an interactive element that parents and children will enjoy. The last spread contains a real envelope with a large fold-out alphabet poster inside for kids to hang up and refer to whenever they need help remembering their ABCs!