I SPY LETTERS is based on the bestselling I SPY LITTLE LETTERS. Toddlers and preschoolers can search photos from the original I Spy series for letters to help them learn the alphabet.Simple picture clues and rhyming riddles guide the youngest readers through 14 interactive, fun-filled spreads. Author - Jean Marzollo Illustrator - Walter Wick Number of Pages - 32 Format - Paperback Publisher - Scholastic Inc. Published - 2012-01-01