Mentem Publishing

25,000 gold coins were stolen from the Spanish Armada in 1588 by Francis Drake, and they've been hidden ever since. The Spanish government want it back and they have a clue to its location, but their...

Hot on the trail of a secret code, Joe and Abi are in trouble. They want to beat the Museum to the location of a prized treasure, but criminal treasure thief Frank Ross is also looking for it. The...

Abi Hart is treasure hunting on her own. She's following the true story of the Mad Monk who robbed, killed and threw the victim's bodies down the holy well. That was a long time ago and now Abi wants...

The Royal Clarence was the oldest hotel in England, until at 5:11 on a cold October morning, it caught fire and was destroyed. Fire investigators discovered an old wall in the ruins hiding a 400-year...