The Birthday Cache

While twelve year old Mason Miles and his parents love their nomadic lifestyle living and working across the nation in their RV, his twin sister Molly is craving a normal life and scheming to put a stop to their endless road trip. For their twelfth birthday the twins open a GPS receiver and fall in love with the sport of geocaching. When they stumble upon a mysterious puzzle cache will their travels become interesting enough to change Molly's mind? In this first installment of the geocachin...