The year is 1764, and following a glowing recommendation from his last employer, Henry Coffey, vampire, takes on a new personal secretary: young Theophilus Essex.

The man is quite unlike any secretary - or any man, for that matter - that Henry has ever met.

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'Heart of Stone' is a slowly unfolding period romance between a vampire and his inimitably devoted clerk: lushly depicted in flowing, lovingly appended prose, we follow the slow understanding these two men grasp of one another, and the cross of their two worlds into each other's.

Henry Coffey, immortal and ever-oscillating between periods of delighted focus upon his current passion project, is charming, witty, and seems utterly incapable of closing his mouth for more than a few moments; in contrast, Theophilus Essex is quiet and keenly focused, adopting an ever-flat affect, but as time goes on, he relaxes in his employer's presence.

Craving resounding intimacy but with an ever aware of the polite boundaries for their situation, Coffey and Essex perform a slow dance as they grow closer to one another, and find themselves entangled.