The research project was only supposed to be for an "extended period." No one said anything about forever! So Riley's journey begins. Unknowingly sent back 40,000 years to be the mate of a man she had never before met, Riley struggles to understand and adjust. Her journey will take her into a world fraught with dangers - a world made more treacherous by savage beasts, primitive Neanderthals, and the incursion...
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