Longevity, yes: 'The Very Hungry Caterpillar,' a popular children's book has sold 29 million copies, and according to Newsweek, does $50 million in licensing d

Longevity, yes: 'The Very Hungry Caterpillar,' a popular children's book has sold 29 million copies, and according to Newsweek, does $50 million in licensing deals a year. (yes, year) http://www.newsweek.com/id/189230 http://www.newsweek.com/id/189230