"You may think you're safe from a shark attack if you stay out of the ocean...but you're not! There's a shark that can lurk in rivers as well as the sea; a shark known for beginning its attack with a head-butt. Beware the bull shark!"--Provided by publisher.

Bone-crunching bull sharks -- Killer in the water -- Planning for disaster -- Prevent a bull shark attack -- Survive a bull shark attack.