The Nightmare Clock
David Logan
Since running away from home at the age of 13, Junk has jumped through space and time to find his sister Ambeline …
Or has he? When Junk wakes up to find himself locked in a high security facility, he starts to question everything he believed to be true. But there is one thing he is sure of: he didn’t kill his sister, and he needs to find her.
In this high-octane finale to the League of Sharks trilogy, Junk and his friends find themselves battling more than just the odds. They’re running out of time. A nightmarish countdown has begun.
Reviews

It’s very exciting and very funny. I love all the Percy Jackson books and this was a bit similar.
Earl Pirate Pudding-Basin 19.08.2019