Pythagoras and the Ratios: A Math Adventure
FROM THE PUBLISHER:
Pythagoras and his cousins want to win a music contest, but first they must figure out how to play their instruments in tune, something that's never been done before.
FROM THE PUBLISHER:
Pythagoras and his cousins want to win a music contest, but first they must figure out how to play their instruments in tune, something that's never been done before.