What is the summary of the travelers gift?

David is at a very depressing downtrodden place in his life. Having lost his job and the will to go on, he has mysteriously been selected to travel through time to gather wisdom from the past. He visits famous presidents, a King, and even an arch angel yielding seven decisions for success that will impact his entire world. A quick jaunt into the future reveals the result of David's journey and the fruits of his labor. A Traveler's Gift is an exquisite gift indeed.