"Once there was magic in Britain. There were dragons and wizards and green knights and round tables and kings that pulled swords out of stones. But now, the doors to the Otherworld have closed, and the magic is gone. All that is left are the stories of those bygone days. Young Hag, her mother and her grandmother, Ancient Crone, are the last of the witches in Britain. At least, that’s what Ancient Crone says. Young Hag has grown up hearing...

"We rejoin our heroine for her latest adventure just as she awakes to find herself ... in the body of a troll! Her mother is worried sick, and is perplexed by the strange creature that seems to have taken Hilda's place. Now, both of them are in a race to be reunited before Ahlberg and his safety patrol get the chance to use their new secret weapon to lay waste to the trolls, and Hilda along with them!"--Provided by publisher.