Obsidian Prey, Paperback

Amber tuner and independent prospector Lyra Dore lost her heart--and her discovery of a rare amethyst ruin--to cutthroat businessman Cruz Sweetwater. At least she had her artistically talented dust-bunny to comfort her...
But the ruin's mysterious power has put everyone involved with the project in danger. And only by trusting their psychic instincts will Cruz and Lyra survive-- and surrender to the desire that binds them.