The Tartan Trampoline and the Superheroes (Hardcover) (ISBN-13: 9781068622465)

Every summer, Manny, Effie and Tilly travel from busy cities to stay with their grandmother on a remote Scottish island. Standing in her garden beside the loch is a gorgeous tartan trampoline. What their grandmother doesn't know is that it's a magic trampoline that can whisk the children far away to visit lots of exotic places and meet very interesting people.

In this story, Super Shug, Glasgow's superhero, has lost his superpowers. Can Manny, Effie and Tilly help him get them back?