She's always got her head in a book. He hates the way letters muddle on the page. Can their wary wooing start a new chapter in love?

Agnes Harrison finds the ton stultifying. The bluestocking daughter of an earl, the earnest astronomer has little tolerance for her peers and prefers to spend her hours studying the skies. But when she meets a clever duke's son at her father's Christmas ball, his invitation to waltz has her floating across the dance floor.

William Evans keeps his secrets buried deep. But though he bristles at the beautiful noblewoman's disdain for those who can't match her quick wits, the innovative man's interest is captured by her odd mix of intelligence and awkwardness. And worried she'll discover his shameful illiteracy, he's delighted when her help with a high-society murder investigation puts them in constant close quarters.

Eyes opened by their stolen kisses, Agnes begins to reevaluate her harsh judgments of marriage-minded misses. But as William digs deeper into the case, he discovers something that might destroy his beloved's entire world.

Can two out-of-the-box thinkers come up with a solution for happily ever after?

William, Her Guiding Star is the suspenseful third book in The Duke's Brothers Regency romance series. If you like well-rounded characters, witty banter, and intriguing mysteries, then you'll adore Louise Behiel's nuanced tale.

Buy William, Her Guiding Star to navigate toward forever today!