A body is found. It shows no sign of violence. Police can't find fingerprints or a murder weapon. There's no clear cause of death. What happened? The victim may have been poisoned. If so, the body still holds traces of the poison. What was it? Where did it come from? Finding out is a job for a forensic toxicologist. Want to know more? Open up this book and get some toxic information about: where in the human body forensic toxicologists look for signs...