The Alex Cave Series Book 4. Gravity: A sci-fi mystery.

A science fiction mystery/thriller, with intriguing scenarios, exhilarating situations, and nail-biting suspense. “This award-winning ride in the Alex Cave Series will take you from deep inside the Earth, to the rescue of our moon, and an emerald asteroid with a mass of solid gold. The action will keep you sitting on the edge of your seat until the last page!” (Amazon top-500 reviewer).

Geology instructor Alex Cave receives an urgent message about an unusual event in Iceland. What he discovers is an alien artifact more powerful than a nuclear weapon.

Janice Sloan steals the alien device and takes it into the Nevada desert. When she turns it on, it won’t shut down, so she abandons the artifact and it begins dragging the moon closer to Earth.

The adventure doesn't end when a huge emerald asteroid with a mass of solid gold is on a collision course with Earth, and will impact in six days. His only chance of changing its trajectory is with the ancient artifact, and he’s running out of time. Can he find a way to save humanity from extinction?

“A fantastic ride from this bestselling and award-winning author. A great sequel to Red Energy."

Grab your copy today!