Awesome Free Downloads at Amazon! Amazon offers Baby Genius Sing 'N Move Kindle eBooks for free, as listed below. (Barnes & Noble has the Nook version and iTunes has the iBook version for the same price.)
The Wheels On The Bus: A Sing 'N Move Book for Kindle (pictured)- Go here! , Nook, or iOS!
Old MacDonald had a Farm: A Sing 'N Learn Book for Kindle- Go here!