Genesis-Revelation tells the story of a lost, fallen humanity and their need of a Savior. These books also tell of the rescuer: Jesus and how he from the beginning was meant to come and rescue the world.
The book of Numbers gives a great glimpse of what I'm talking about:
Many people at first glance would look at this story and not think much of it. In fact I myself didn't think much of it for many years (except maybe that this story is where we get the symbol for healthcare seen right side below )