A hilarious short story from Rick Riordan; that unites Percy Jackson with the god Apollo - this edition exclusively for World Book Day 2019 When the god Apollo asks for a favour; it's never going to be straightforward. Percy Jackson is celebrating a friend's birthday when Apollo turns up. The god is supposed to perform on Mount Olympus; but one of his four beautiful singers is missing. So Percy sets off to bring her back - but one of the singers is after a shot at a solo career; and is holding up New York! With the bright lights of Broadway in the background; can Percy find the rogue performer; and return her to Apollo - in time for his big number on Mount Olympus?