by Thomas Lockhaven
If you enjoy Nancy Drew, Hardy Boys and the Boxcar Children, you’ll love the ‘Ava and Carol Detective Agency’ series, a thrilling mystery series for children of all ages.

by Thomas Lockhaven
Ruthless international diamond smugglers think they’ve gotten away with the perfect crime, stealing the famous Ramesses diamonds from the Hancock Museum of Archeology. Until…

by Thomas Lockhaven
Which would you choose? Helping an old man that’s being kidnapped, or endless plates of delicious pasta? Ava and Carol were about to take a stroll through Italy, when an old man is chased down and then thrown into the back of a car. At the last second, using sign language he sends a secret message to the girls.

by Thomas Lockhaven
It’s Christmas – so why not accept a dare to explore a creepy old haunted house? 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 of the windows – and moments later they are chased by a headless monster!?

by Thomas Lockhaven
If you enjoy Nancy Drew, historical fiction and crime-solving mysteries, you’ll love the ‘Ava and Carol Detective Agency’ series, a thrilling mystery series for children of all ages.

by Thomas Lockhaven
When a famous show dog “Mr. Binxley” is stolen, twelve-year-old detectives, Ava and Carol jump at the opportunity to track down the dognapper. A strand of hair, a giant shoeprint – the girls begin putting together a series of clues and suspects that lead them closer to the bad guy.

by Thomas Lockhaven
For Ava and Carol, the famous pair of middle school sleuths, even a casual visit to the National Gallery of Art can lead to a mystifying and pulse-racing adventure. In The Missing Painting, the girls team up with local police and a museum security guard to unlock the clues behind a painting that’s missing, yet still there, and a painting that’s there…but really not?

by Thomas Lockhaven
What could be more thrilling than solving a hundred-year crime? Ava and Carol enter a contest where the stakes are high. Find the famed Irish Crown Jewels and win a $10,000 prize. If anyone can locate these priceless treasures, it’s Ava and Carol, middle school super sleuths extraordinaire.

by Thomas Lockhaven
The Amazon Jungle is dangerous enough, filled with venomous snakes, poisonous insects and man-eating caiman. Add to that, a local legend of a Devil that can steal your soul just by looking into its eyes, and a group of smugglers bent on wreaking havoc on the Rainforest, and you’ve got all the ingredients for Ava and Carol’s Brazilian Jungle Vacation.