<p><strong style=background-color: rgba(255 255 255 1); color: rgba(0 0 0 1)>Uncle DJ arguing brothers and a missing pilot...</strong></p><p></p><p><span style=background-color: rgba(255 255 255 1); color: rgba(0 0 0 1)>Gram and Gramps are flying in for a visit on their way to the National Science Expo and they've promised the grandkids a ride in Gramp's small plane. But when the kids arrive at the local airport there's one big problem: Gram and Gramps are missing! Instead a mysterious scavenger hunt awaits.</span></p><p></p><p><span style=background-color: rgba(255 255 255 1); color: rgba(0 0 0 1)>Tyson and John set off to solve the clues with Uncle DJ but tension rises fast. Can the brothers put their argument aside and work together to find their grandparents... or will they miss their flight?</span></p><p></p><p><strong style=background-color: rgba(255 255 255 1); color: rgba(0 0 0 1)>Perfect for fans of <em>Nate the Great</em> <em>The Magic Treehouse</em> and the <em>A to Z Mysteries</em> series this fun-filled mystery blends family teamwork and a high-flying twist.</strong></p><p></p><p><span style=background-color: rgba(0 0 0 0); color: rgba(15 17 17 1)>Books can be read in any order!</span></p><p></p>