Rules of the Road, by Ciara Geraghty, is about two friends on a life-changing journey. The summary says: "The simple fact of the matter is that Iris loves life. Maybe she's forgotten that. Sometimes that happens, doesn't it? To the best of us? All I have to do is remind her of that one simple fact.
When Iris Armstrong goes missing, her best friend Terry, wife, mother and all-round worrier, is convinced something bad has happened. And when she finds her glamorous, feisty friend, she's right: Iris is setting out on a journey that she plans to make her last.
The only way for Terry to stop Iris is to join her, on a road trip that will take her, Iris and Terry's confused father Eugene onto a ferry, across the Irish sea and into an adventure that will change all of their lives. Somehow what should be the worst six days of Terry's life turn into the best." Rules of the Road is out in May 2019.