The Cache Creation is written by Kathy Sattem Rygg and is the fourth in the Crystal Cache series.

This 179 page paperback book is great for kids, teens, or any geocachers that like a fun adventure!

With three of the four elemental crystals found, the pressure is on for Dylan Fisher to locate the final crystal. His geocaching skills kick into overdrive, but the stakes—and danger—are higher than ever before. Desperate not to let his friends down, Dylan goes straight to the enemy for answers: 4E Labs. His quest reveals not only the fourth crystal and its catalyst, but the truth about who has been putting his friends at risk. When all of the catalysts are captured, Dylan must use his survival skills in order to save their lives and defeat the enemy once and for all.