Persephone & the Unicorn's Ruby : A Quix Book (Little Goddess Girls)

"Persephone and Aphrodite are continuing the quest to try and find some missing jewels. They end up meeting a lost bunny in their travels, who is looking for the Castle of What-Ifs. The girls end up in a magical, delicious land, where they meet a unicornmade of chocolate, with a very special crown--one that might be the key to finding one of the missing jewels"--