Disaster survival books have been selling like there's no tomorrow, especially hard-core survivalist booksBug Out equipment has been big business; both premade Bug Out kits and prefab emergency shelters are hot itemsAuthor's first BUG OUT book sold 6,000 copies in its first six monthsFully illustrated with helpful black and white drawings and diagramsAuthor is a survivalism expert with two books published on the topic; he has worked as a consultant for numerous survivalism T.V. shows