Aristide Leonides is poisoned and suspicion falls on his beautiful, young widow but criminologist Charles Hayward has his doubts and sets out to find the real killer.

A successful entrepreneur in the mushroom industry, Jaakko Kaunismaa is a man in his prime. At just 37 years of age, he is shocked when his doctor tells him that he's dying. What is more, the cause is discovered to be prolonged exposure to toxins; in other words, someone has slowly but surely been poisoning him. Determined to find out who wants him dead, Jaakko embarks on a suspenseful rollercoaster journey full of unusual characters, bizarre situations...

A tale set in America and China follows the experiences of three people who in their youth were involved in a mysterious accident that resulted in a friend's fatal poisoning and years later are haunted by the possibility that one of them actually committed a murder.

When CIA operative Catherine Ling's old friend Hu Chang creates a formula so deadly, and completely untraceable, the chase is on to be the first to get it. With rogue operative John Gallo also on the hunt, Catherine finds herself pitted against a group so villainous and a man so evil that she may not survive the quest to protect those she cares about.

When rat poison is discovered in the jars of Naomi's strawberry jam sold at the Swiss Miss, Cheryl sets out to prove her friend is not the one responsible for poisoning anyone. But first, she needs to figure out who did it and why. After several people in Sugarcreek end up in the hospital due to the contaminated conserve, Cheryl follows the trail to the perpetrator of the crime and ends up in an unexpected place. As she and Naomi's stepson, Levi....

"Twelve-year-old Minerva Keen forms a detective club to uncover who is poisoning residents of her storied Chicago apartment building, knowing that any one of her neighbors could be the poisoner--or the next victim"--

Chef and police officer Caleb Rooney searches for a murderer who kills by poison at top New Orleans restaurants.

"London, 1893, there is poisoner loose in the city, with deaths piling up, and private enquiry agents Cyrus Barker and Thomas Llewelyn are apparently his next target in Fierce Poison by Will Thomas. Private Enquiry agent Cyrus Barker has just about seen it all-he's been attacked by assassins, his office has been bombed, and evil-doers have even nearly killed his dog. But never before has a potential client dropped dead in his office. When Roland Fitzhugh,...