Thomas Lockhaven

The Mystery of the Pharaoh's Diamonds (Book 1) is a GOLD recipient of the prestigious Mom’s Choice Award! The dynamic duo has arrived, and they’re ready to take the case! There’s more than meets the eye when it comes to solving the world’s most curious capers. For middle school...

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 pretty sure she saw something inside one...

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 and Carol Detective Agency series, Ava and Carol were about to take a stroll through Italy, when an old man is chased down and then...

Two best friends. One priceless treasure. A race against time. When the famous Ramesses diamonds are stolen from the Hancock Museum of Archaeology, it's not just a heist; it's a crime against history. Enter Ava and Carol, middle school detectives with a knack for solving mysteries and a curfew...

Magic, fantasy, adventure, action, suspense, puzzles, challenges - all in one book: Quest Chasers: The Deadly Cavern. A top 100 best seller, The Deadly Cavern has already been described by one reader as "Harry Potter meets National Treasure", and the book is similar in style to the popular J.K...