Challenging riddles in rhyme spark the curiosity of young readers as they match letters, sounds, and clues to solve math puzzles. ABC Math Riddles by Jannelle Martin is a challenging ABC book that quizzes young readers with a riddle rhyme to guess a word for each letter of the alphabet. Fun to read, embellished with inviting color illustrations by Freddie Levin, and featuring captivating brain-teasers that make readers of all ages pause to think a little.