Profitable Coyote Trapping is written by professional Trapper Jim Helfrich. Helfrich is known for his line of lures and traps. Helfrich is first and foremost a trapper. This book offers up lots of good information. The chapters include, the animal, control work, life history, territory and range, coyote viruses, the senses, equipment, trap preparation, location-being on target, sets, miscellaneous, records.