The third volume in the award-winning So Smart! series, So Smart! Letters uses animation and music to introduce babies and toddlers to the letters of the alphabet, helping them begin to see the relationship between letters, words, and images. The program is set to the classical music of Handel, Vivaldi, and other musical luminaries, and is designed for children ranging from babies aged six months to toddlers and children up to age four. The critically acclaimed So Smart! series consistently wins awards, such as Parenting Magazine's Best Video of the Year and the Film Advisory Board's Award of Excellence.