Explosive Revenge

Sergeant Tyson Wilkes is determined to protect his Rocky Mountain K-9 Unit--especially against an unknown assailant with a taste for explosives. Fortunately, Denver detective Skylar Morgan has the toughness and smarts to help Tyson and K-9 Echo find answers...even if she's stepping into the crosshairs with them. But can they disarm this volatile killer before the next bomb goes off?--