My time travel series, RILEY'S JOURNEY TRILOGY, is spotlight at N.N. Light's Book Heaven. Find out if and how modern man could survive 40,000 years ago during a time of Neanderthals, saber-toothed cats and cave bears. Survival of the fittest, that is the law of primordial Earth.
Here's the link https://www.nnlightsbookheaven.com/book-promos