Margaret O'Halloran is a dog trainer with a unique talent and a nose for a mystery. Now an old lady has been savaged to death, her faithful dog is...

An eco-bomber is terrorizing the city. Margaret O'Halloran and Kelty are called in to assist only to discover that the bomber could be Margaret's...

Margaret O'Halloran sets out to discover whether a dog killed her friend and mentor, Harry Bowman. To do this, O'Halloran must delve into the dark...

Tim Avery, an aspiring cartoonist, finds himself in a predicament when his dog stumbles upon the mask of Loki. Then after conceiving an infant son...