<span class="a-text-bold">Three nuns are murdered in the attic of a Boston convent.</span>
There are no witnesses.
No shell casings.
<span class="a-text-bold a-text-italic">The only things missing are their rosaries.</span>

Days later, a Boston medium claims her spirit guide has identified the killer: a broken priest with an antique revolver. A single newspaper column turns that claim into a city-wide witch hunt.

Harvard “pope whisperer” <span class="a-text-bold">Cal Donovan</span> and former Vatican power broker Elisabetta Celestino step into the city’s séance rooms to test the story. <span class="a-text-bold">What they uncover is a trail of antique ballistics, buried secrets, and a generations-old vendetta that reaches back to Arthur Conan Doyle and the birth of modern Spiritualism.</span>

To save an innocent man, Cal and Elisabetta must decide whether they are chasing a brilliant fraud who hides behind the dead, or facing something far more unsettling: <span class="a-text-bold">the dead really are answering back.</span>

<span class="a-text-bold a-text-italic">From international bestselling author Glenn Cooper, </span><span class="a-text-bold a-text-italic">Covenant of the Dead</span><span class="a-text-bold a-text-italic"> is a standalone Cal Donovan thriller blending historical mystery, murder, and religious intrigue for readers of Dan Brown and Steve Berry.</span>