The bestselling author of The Unlikely Pilgrimage of Harold Fry delivers an intoxicating adventure story about female friendship and having the courage to live your dreams, however unlikely they may be.It is 1950. In a devastating moment of clarity, Margery Benson abandons her dead-end job and advertises for an assistant to accompany her on an expedition. She is going to travel to the other side of the world to search for a beetle that may or may not exist.Enid Pretty, in her unlikely pink travel suit, is not the companion Margery had in mind. And yet together they will be drawn into an adventure that will exceed every expectation. They will risk everything, break all the rules, and at the top of a red mountain, discover their best selves.This is a story that is less about what can be found than the belief it might be found; it is an intoxicating adventure story but it is also about what it means to be a woman and a tender exploration of a friendship that defies all boundaries.