A Trace of Poison

It seems the victim imbibed a poisoned cocktail intended for Alastair Whittlesby, president of the local writers' club. The insufferable Whittlesby is thought to be a shoo-in for the prize, and ambition is certainly a worthy motive. But narrowing down these suspects could leave even Phyllida's favorite fictional detective, M. Poirot, twirling his mustache in frustration.