Jack Versus Veto, 5Paperback, 1 August 2016

In the first story of this book, disaster has struck the Wrestling Trolls family. Their grumpy but much-loved friend Robin has been stolen by a nasty band of horse rustlers, and it's up to the gang to get him back. In the second story, Jack is desperate to get back inside Lord Veto's castle to rescue a treasured family heirloom left to him by his parents before they died - but he finds a lot more than he bargained for.