Luling, Texas, once known as the “Toughest Town in Texas,” gets tougher when all hell breaks loose in this second installment of the Tom Seiler mystery trilogy by Jack Grubbs. The Dryline opens with Tom Seiler helping his brother, Don, with the final design of an oil extraction system potentially worth billions. When one of Don’s workers is found dead on the outskirts of Luling, a chain of events pits the brothers against a group of ruthless oilmen bent on stealing the patent to their design....