Welcome to the Superhero Hotel- a top secret hideaway where superheroes come to relax. But when the superheroes accidentally put the hotel in danger, they must work together to save it before it is too late!

The final book in The Trapdoor Mysteries, a series about Tally, a code-breaking, animal-loving girl and her best friend, a squirrel named Squill, who solve mysteries with the help of a secret library...Tally was once a servant girl at Mollett Manor -...

The third book in The Trapdoor Mysteries, a series about Tally, a code-breaking, animal-loving servant girl and her best friend, a squirrel named Squill, who solve mysteries with the help of a secret library...Orphan Tally is the servant girl at Mollett...