Glass is the second book in the Crank series. It continues to take you down Kristina's path with the monster. It gives you a glimpse of how hard it is to stop meth and the consequences of continuing to take it. For a long time Kristina was able to hide the fact that she was using from her family. But the sudden loss of appetite, weight loss, days of not sleeping and then the hard crashes were a dead give away. Kristina is faced with some important decisions when she finds out that she's pregnant. Does she keep the baby? Does she stop using meth? Find out when you read this roller coaster of a story.