Winner of the Bram Stoker Award® for Superior Achievement in a YA Novel. It's the summer of 1983 and the suburbs of Houston are reeling from a disastrous hurricane. But the storm brought more than wind and floodwaters. In the swamps that surround Clear Lake a brutal and possibly supernatural killer is gathering strength, and waiting for the full moon. The focus of his bloodlust is fifteen year old Mark Eckert. Reckless to a fault, with a knack for making spectacularly bad decisions, Mark had planned to spend that last summer before high school wandering the swamps with his friends and his beloved dog Max. But after a chance encounter with the lunatic, Mark's summer becomes a time of terror and tragedy. With his life on the line, Mark's courage will be tested to his limits and beyond as he struggles to survive the hottest days of summer: the dog days.