"Beware of the many recipes that include kerosene (coal oil), turpentine, ammonium chloride, lead, lye (sodium hydroxide), strychnine, arsenic, mercury, creosote, sodium phosphate, opium, cocaine and other illegal, poisonous or corrosive items."

The warning should be heeded. As a historical book, it is interesting but some of the advice in the recipes are either unclear or dangerous.