Better Luck Next Time by Cara Bastone
Summary (from the publisher): Two frenemies find a surprising second chance in this timeslip rom-com, starring Mae Whitman ( Parenthood ), Colin Woodell ( The Flight Attendant ), and a full cast. Mona and Duncan used to be best friends. Now they can’t stand each other. Too bad that’s not a good enough excuse to miss their two families’ annual trip to the cabin. But things get really complicated when they accidentally drive through a wormhole together on the way. Look what playing nice and carpooling gets you. Now they’re stranded indoors by an epic storm and stuck in an alternate timeline where things are just slightly ... off. Duncan and his dad aren’t speaking for reasons no one knows, Mona’s mom doesn’t like her hair or her career choices, and their siblings are meddlesome as ever. Oh, yeah, and apparently they're going through a divorce. Which means that in this universe they are married. To each other. All they can really do is play along until they figure out how...
