US Modular has introduced its new Dragon Drive, a bus-powered external hard drive approximately the size of a paperback book with the ability to store 20GB to 100GB of data. Using the 2.5-inch form factor, the Dragon Drive features USB 2.0 and FireWire ports. It will ship in June with five versions available: 20GB (US$99), 40GB ($149), 60GB ($169), 80GB ($199) and 100GB ($279). The company did not have a product page available as The Mac Observer posted this article.