Thomas Lockhaven

It’s Christmas—so why not accept a dare to explore a creepy old haunted house?On this third book of the Ava & Carol Detective Agency series, fearless best friends Ava and Carol set out to prove that the Butcher house isn’t haunted. Only, Carol is...

Hidden in the shadows, Ava and Carol witness a kidnapping and discover a sinister plot that could change the course of history.On this second book of the Ava & Carol Detective Agency series, Ava and Carol were about to take a stroll through Italy,...

Two best friends. One priceless treasure. A race against time.Gold Mom’s Choice Award® winner The Mystery of the Pharaoh's Diamonds launches the exciting Ava & Carol Detective Agency series—a fast-paced middle grade adventure perfect for young...