My rotten stepbrother ruined Aladdin

"Maddie's birthday party has an Aladdin theme, but when her stepbrother's separate birthday gets ruined, and he does not get the hoverboard he craves, he deliberately alters the Aladdin story, sucking both of them into the world of the fairy tale--and while he gets to be Aladdin and find the genie, Maddie is stuck as a camel"--Provided by publisher.