Dust motes danced up into the air, tiny sparkles of sunlight in the shadowed corner of the alcove. As she shifted a step closer to the diamond-paned window, the scrape of her sturdy half-boots on the Aubusson carpet momentarily disturbed the hush that hung over the ornate bookcases.

Her heel snagged, and to her dismay she realized that a streak of mud—and something that looked suspiciously like squashed pumpkin—now marred the stately pattern.

Hell and damnation.

Arianna gave a guilty glance around, but the room appeared deserted. The only stirring was a small flutter of breeze wafting in through the casement. It teased over the polished oak, mingling the scents of beeswax, ink, paper and leather.

The smell of money.

A wry smile twitched on her lips as she turned her attention back to the book. Set discreetly within the marbled endpapers was a small slip of paper that noted the price. It was expensive. Very expensive—as was every volume and manuscript offered for sale by Messrs. Harvey & Watkins Rare Book Emporium.

But then, Arianna could now afford such luxuries.

She slowly turned the pages, savoring the feel of the creamy, deckle-edged paper and the subtle colors of the illustrations. With her new husband’s birthday fast approaching, she was looking for a special gift. And the intricate engravings of Theobroma cacao were, to her eye, exquisite.

“Chocolate,” repeated Arianna, pausing to study the details of a criolla tree and its fruit. Her husband was, among other things, a serious scholar of botany, and cacao—or chocolate—was his particular field of expertise. The text was Spanish, and the date looked to be—