Caveman Alien's Prey (Caveman Aliens Book 22)

Trapped on the wild planet Xren, Piper fights to survive among deadly dinosaurs and towering alien cavemen, seen only as property or prey. Haunted by an unseen stalker, she's armed and determined to defend herself, while Brak, captivated by her beauty, struggles to tame his primal instincts... Steamy science fiction romance!