Guided by a Monarch caterpillar wizard, David travels to the land of dreams, discovers his own magic, and saves two worlds.

Eleven-year-old David has been having terrifying nightmares about a bear-like man who claims he will make all of Earth tremble with nightmares, so he travels to

Now thoroughly streamlined and revised, PRINCIPLES OF INFORMATION SYSTEMS, Ninth Edition, retains the overall vision and framework that made the previous editio