Although Gila Monsters (Heloderma suspectum) are as venomous as rattlers, no one ever dies from their bite. They have no efficient venom delivery system and have to chew on you awhile with teeth that come out quite easily. If you're stupid enough to just stand there and let them... . And yet, the victim died from Gila Monster venination. Warning: explicit snakes.
Used availability for Sandy Dengler's Gila Monster
March 1994 : USA Paperback
May 2014 : USA, Canada, UK Kindle edition