Gregory O. Smith

A deep mountain lake, a mysterious sea monster, and a secret submarine. A pause-resisting, summer adventure for children ages eight to 12 years of age! The submarine was now down, inside the watery canyon, and picking up speed. Out of the corner of his eye, Tim saw something dark, and sinister...

Tim broke the nervous silence. "What--what was that?" "I don't know," said Robert. "But whatever it is, it's been locked in there for over a hundred years!" Meet the five Wright cousins in their first big mystery together. I mean, what could be more fun than a treasure hunt with five crazy...

A missing pilot, four-wheeling fun, and a lost Spanish treasure ship. A fast-moving adventure for children ages 8-12. “Spinning around, the Wright cousins saw a crack in the mountainside expand, revealing a dark, shadowy passage…” The five Wright cousins are having a blast four-wheeling in...

“Lindy desperately clawed at the rocks around her, trying to stop from being dragged downward into the abyss…” A mysterious map holds the key to the location of an ancient treasure city. When the Wright cousins set out on horseback to find it, they run headlong into desert, flash floods...

The Wright cousins are helping to restore a stone fort from the American Revolution. They expect hard work, but find more - secret passages, pirates, dangerous waterfalls, a new girl with a fondness for swordplay. Join the cousins as they try to unravel this puzzling mystery....

Mysterious attaché cases...ingenious spy gear...fast-paced fun! A family friendly, hilarious secret agent spy adventure. "Classic Hardy Boys meets Spy School with a contagious sense of humor!" In this 5th addition to the fun and exciting Wright Cousin Adventures series, teenagers Robert and Tim...