This is the second book in the Dragon Town Trilogy.  The first book is Snapdragon Alley and the last is Dragon Town.  In this book, Argus, the 3-year-old from the first book, is a 22 year old man with a quiet life.  He is quiet and depressed, estranged from his family, an lives with a group of roommates that he doesn't really interact with.  He doesn't remember the experiences of the summer that took place in the first book.  One day, he is handed a mysterious package.  Those around him are intrigued, and everyone joins together to try to solve the clues.