Gillean Daffern has explored Kananaskis Country for decades and understands its landscape and history intimately throughout every season of the year. She has also been writing and publishing bestselling trail guides to Kananaskis Country for over 30 years and is the author of the renowned five-volume series Gillean Daffern's Kananaskis Country Trail Guide, which is now in its 4th edition and has sold well over 100,000 copies since it was first published in 1979. She also travels to mountain areas outside of Kananaskis Country, and in particular enjoys visiting countries off the beaten tourist path. Gillean is the founder of Rocky Mountain Books and, along with her husband, Tony Daffern, was awarded the Banff Mountain Festival's Summit of Excellence Award in 2006. She lives in Calgary, Alberta.