Sold out! The Birds by Anders T. AndersenAnders T. Andersen
Intellectually disabled Mattis lives in his older sister Hege's care in a small lakeside cottage. When a lumberjack turns up and gets romantically involved with Hege, Mattis' worst fear of her abandoning him seems imminent. Mattis has to make a belated jump out of the nest into adulthood, or die trying.