The Stolen Relic (Nancy Drew Girl Detective Series #7)

My friends and I knew before we got to Arches National Park that it's full of red cliffs arches, and rock formations -- plenty of places for hiking, biking, and getting lost. It's a good thing there are park rangers and guides to help tourist like us find our way. Or at east that's what we thought, until of the guilds left for a second to investigate some noise, and never came back.
It seems unlikely that a respected tour guide who knows the area like the back of her hand could just get lo...