Tod Bolsinger is an expert on leadership and adaptive change in the church. In 2015 he published a book called Canoeing The Mountains that used the Lewis and Clark expedition as a metaphor for the changing realities of church leadership and Christian discipleship in a post-Christendom era. You can buy his book wherever fine books are sold or get free resources from Fuller about using the book with your church/organization by texting "canoeing" to 66866.