Molly has developed even more amazing powers in the sixth and final hypnotic installment of the New York Times bestselling Molly Moon seriesperfect for fans of Lemony Snicket and Pseudonymous Bosch!Molly Moon can hypnotize or morph into anyone she chooses, travel through time, read mindsand now, thanks to a mysterious and magical coin, she can play EVERY instrument. The harmonica! The guitar! The drums! The piano! You name it. But will Molly be able to free herself from the coins powers to save her friendsand herself?In the fun-filled sixth and final book of the Molly Moon series, Molly must face the musicthe hypnotic musicof a magical coin that has the power to turn its owners into monsters!