The iTunes App Store discounts Sesame Street apps for Apple iPhone, iPod touch, or iPad, with prices from free to 99 cents. At up to $3 off, that puts these titles at the lowest price we've seen. Sale ends September 15. Some best bets:

• Elmo Calls for iPhone, iPod touch, iPad for free (pictured, $1 off)
• Cookie Calls for iPhone, iPod touch, iPad for free ($1 off)
• Another Monster at the End of This Book... for iPhone, iPod touch, iPad for 99 cents ($3 off)
• Bert and Ernie’s Great Adventures... for iPhone, iPod touch, iPad for 99 cents ($1 off)
• shop for more discounted Sesame Street apps at the iTunes App Store