The Perils of Dnuorgrednu (The Adventures of Jackson and Robbie)

Ten-year-old Jackson discovers something mysterious in his backyard one cool October afternoon while his younger sister, Robbie, is jumping on the trampoline. What he finds will lead him and Robbie on a trip unlike any they've ever experienced, during which they learn not only to care for each other, but to put others before themselves. Gear up for an adventure with two regular kids from Texas who find that they're not so usual after all...and that's a good thing!