Sparkling Cyanide

<p><p>rosemary Barton&#8217;s Birthday Party Takes A Turn For The Worse When She Imbibes Cyanide Instead Of Champagne. The Verdict? Suicide. But Why Would A Beautiful, Wealthy Woman Kill Herself, Especially When So Many Of Her Guests &#8212; Including Her Lover, Her Husband, And Her Own Younger Sister &#8212; Have Reasons To Want Her Dead? When Anonymous Letters Questioning The Coroner&#8217;s Verdict Start Turning Up A Year Later, Rosemary&#8217;s Husband Decides To Recreate The Party And Corner The Killer. Unfortunately, The Killer Has Other Ideas.</p>