Olivia Wolf and a Million Olivias

Sinopsis del libro

It's Sam's birthday, and Olivia and her friends are celebrating it at an amusement park, which has the most incredible ball pit in the whole of Monstrocity. But little do they know, Marquis Three-Eyes, a fearsome villain, has bewitched the balls in the pit, and from its depths dozens of evil Olivias begin to emerge…