Riley's Journey Series by P.L. Parker, Sandra Edwards, Ami Russell

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 of the aggressive Cro-Magnon man... moreThe 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 of the aggressive Cro-Magnon man. Surviving alone for five years in this vast wilderness, Nathan, along with his enormous dog, Demon, carve out a life in the perilous environment. Though thrown together by forces beyond their control, love grows between Riley and Nathan - but will they survive? less

Sent back 40,000 years to the ends of the last great Ice Age, the time travelers embark on a journey of survival and discovery. The brutal and cannibalistic Cro-Magnons discover the small band and attack. Forced to flee from their high mountain encampment, the tribe heads into the dawn, towards the Pacific Ocean and their dream of ultimately reaching North America. Geena and Micah are left behind to lead the Cros away from the escaping tribe. When he is killed, she finds herself terribly alone... moreSent back 40,000 years to the ends of the last great Ice Age, the time travelers embark on a journey of survival and discovery. The brutal and cannibalistic Cro-Magnons discover the small band and attack. Forced to flee from their high mountain encampment, the tribe heads into the dawn, towards the Pacific Ocean and their dream of ultimately reaching North America. Geena and Micah are left behind to lead the Cros away from the escaping tribe. When he is killed, she finds herself terribly alone. Severely injured and without hope or resources, she nonetheless is determined to survive and find the people. Survival of the fittest - that is the law of primordial earth. less