We rejoin our heroine for her latest adventure just as sheawakes to find herself... in the body of a troll! Her mum isworried sick, and now has to deal with the strange creaturethat seems to have taken Hilda's place. Now, both of them arein a race to be reunited before Ahlberg and his safety patrolget the chance to use their new secret weapon to lay waste tothe trolls, and Hilda along with them!
