Hachette Book Group is a leading US trade publisher headquartered in New York, & owned by Hachette Livre, the second largest publisher in the world. In one year, HBG publishes 650 adult books, 150 young adult & children’s books, & 100 audio book titles. | | The major manufacturer & distributor of optics and lenses for the broadcast, digital cinema & industrial markets. The company’s line of television zoom lenses are used in every segment of the broadcast industry, including ENG/EFP, Studio/Field, & HD TV. |