An ancient Evil invades Chula Vista. Two K9 officers, framed when they get close to the truth, banished from the CVPD, must turn to their sometimes rivals, the Three Dog Detective Agency. What's at stake, however, is not the fate of two K9s, but the fate of a city.
Used availability for Ralph E Vaughan's K-9 Blues
January 2014 : USA Paperback
January 2014 : USA, Canada, UK Kindle edition