A cool stone fortress, secret tunnels, and a mysterious new girl. Book 4 in the award-winning Wright Cousin Adventures series by Gregory O. Smith! “Jed’s lantern cast long shadows across the room. Tim gulped, not sure whether he wanted to stay there or not. It looked too much like a creepy dungeon!” The Wright Cousins are helping to restore a stone fort dating back to the American Revolutionary War. They expect hard work, but find more: secret passages, pirates, dangerous waterfalls, and clues to a hidden treasure of gold. There is also a new girl helping out who has a fondness for swordplay. Could she really be a princess in disguise? Join the Wright Cousins as they try to unravel their most puzzling mystery yet! Good friendships always make life better.   Gregory O. Smith is the author of the 15 book, award-winning  Wright Cousin Adventures series, the time travel adventure  The Ha t, George Washington, and Me! , the award-winning friendship and wilderness survival adventure  Strength of the Mountains,  and the exciting, page turning military adventure, Rheebakken 2--Last Stand for Freedom.