for Beauty Queen by Sarah Mlynowski
The magical seventh installment in this NEW YORK TIMES bestselling series! This time, the magic mirror sucks Abby and Jonah into the story of Beauty and the Beast. When Jonah angers the Beast by picking flowers from his garden, he becomes the Beast's prisoner! Abby has to save her brother by finding Beauty, whom the Beast will surely fall in love with, right? NOPE. The Beast doesn't like Beauty, so it's up to Abby and her brother to match-make this reluctant pair and fix this fractured fairy tale before things get pretty ugly!
Publisher description retrieved from Google Books.