The Solar Express — Erin Hayes

Kear'yl may be a proud Vzekian space ranger who has fought great battles and traveled the universe, but there's one man who she has always avoided: her human stepbrother Houston. Why her Chief Commander father decided to marry his mother, she'll never know. But she can't deny that his good looks and strong body can set her two hearts on fire. So, when her stepmother plans for a family Christmas on Fl'steri, Kear'yl is tasked with picking up Houston from Earth to join their family. Yet when her space ship breaks down in deep space, Kear'yl finds that her a growing attraction to Houston that may be the best Christmas present ever.