Fear were, in order: terrorist attacks, spiders, death, failure, war, criminal or gang violence, being alone, the future, and nuclear war. In an estimate of what people fear the most, book author Bill Tancer analyzed the most frequent online queries that involved the phrase, "fear of..." following the assumption that people tend to seek information on the issues that concern them the most. His top ten list of fears published 2008 consisted of flying, heights, clowns, intimacy, death, rejection, people, snakes, failure, and driving. According to surveys, some of the most common fears are of demons and ghosts, the existence of
Fear Agent previously attempted to destroy Earth, intend to make another attempt on the planet. Heading back to Earth, Heath picks up Mara, another survivor from the mostly decimated Earth. Heath is sidetracked into joining with a race of seemingly primitive aliens, only to find they are not what they seem. It is revealed that Heath is the lone remaining Fear Agent, following the mass slaughter of all of the other Fear Agents in an unknown incident. Heath then discovers a member of the "primitive" race is planning to betray him and his brethren by giving him to the Dressite Empire, who