The Dubh Linn Book Quiz May 16, 2016Dubh Linn, QuizA Crack in Everything, A Hollow in the Hills, Dubh Linn, QuizRFLong Do you know your way around Dubh Linn? There’s a fun quiz on Goodreads to test your knowledge of A Crack in Everything and A Hollow in the Hills. (hopefully no spoilers!) Take the Dubh Linn Book Quiz here. Just for fun.