Complex sentence: Marty's daughter, Sequoia Schmidt hiked into K2 base camp in 2015 and wrote a book about her journey entitled, "Journey of Heart-A Sojourn to K2".
Split into simpler sentences: Marty's daughter, Sequoia Schmidt hiked into K2 base camp in 2015. Sequoia wrote a book about her journey entitled, "Journey of Heart-A Sojourn to K2".