Greg Roza 
Poison! The Spitting Cobra and Other Venomous Animals [PDF ebook] 

Spitting cobras have the frightening ability to shoot venom from their fangs while defending themselves against predators. These cobras are just one of many interesting creatures that use deadly venom for defense and to kill prey. This absorbing book explains how venomous animals’ bodies create and deliver venom and how effective it is at helping them survive.