Nykter (Sober) is a documentary novel made for the Norwegian Tyrilistiftelsen in 2010. This book is about Liv, who is in treatment at Tyrilitunet near Lillehammer, and her journey to a drug-free life. It is also a story about how the Tyrili Foundation works. The book is based on interviews with former drug addicts and Tyrili staff. The book is published in connection with the foundation's 30th anniversary.