She’s spying on him. He’s engaged to another. Can their stars ever align? Astronomer Celeste Keswick spends her nights staring at the sky, attempting to discover the planet she knows is out there but cannot yet see. Her brother is convinced that there is one way to do it – for Celeste to spy on the one other man who might find it first. Little does Celeste know what else he will awaken within her. Lord Oliver Cunningham may be a baron, but all he really wants is the opportunity to study the stars and discover their secrets. Aware that the time has come to marry and produce heirs, he finally agrees to an arranged marriage—a decision he will soon regret, for his new assistant is far more than she seems. In the race to uncover the next astrological discovery, Celeste must choose whether to give her loyalty to her brother or the man she is falling for – the very man she cannot have. For Oliver can’t decide what is worse – having to see Celeste every day with the knowledge he should not touch her, or the thought of spending the rest of his life without her. Can Celeste and Oliver overcome all that stands between them to find the planet they are searching for and the love they never knew they needed? For readers over 18, due to some steamy scenes.