Avery Bartholomew Pendleton is back, and he’s just as crazy as ever. Avery is a paranoid loner obsessed with global conspiracy theories who spends most of his time crafting absurd and threatening letters to anyone who offends him. That means pretty much everyone. Still convinced of the existence of the mythical Mexican chupacabra*, Avery enlists the assistance of the Southwest Texas Revolutionary Armed Confederate Border Operations Militia (STRAC-BOM) and their manic leader, General X-Ray, to help him invade Mexico. Accompanied by Ziggy, a burned-out hippy, and an uncommonly large iguana named Nancy, the group follows the advice of a New Orleans voodoo priestess and heads straight into the Mexican desert. Unfortunately for the motley gang of explorers, Mexico can be a dangerous...