When a book can maintain eight years as a number one New York Times Bestseller, it enters the level of a tour-de-force! It also says what a powerful storyteller Jeannette Walls is. The Glass Castle has been, by far, one of the most absorbingly told and popular memoirs of our time. And then, Ms. Walls follows up with Half Broke Horses: A True-Life Novel, that also became a runaway national bestseller.