. >> george gibson publisher of walker books it is celebrating its 50th anniversary what is walker books and was the founder? >> walker and company is a division of bloomsbury usa founded 1959 by santa and beth walker a completely independent company until january 1, 2005 when we were acquired by now a division of bloomsbury the three of the old divisions and we are one of them. >>host: how long have you been with walker? >> since 1993. as the publisher then i became the publishing director with bloomsbury usa last september. i have been involved with walker for the last 15 or 16 years. >>host: what books are you excited about? >> a couple of walker books, an artist and treason. a big success this story of a greatest trader in american history we'll consent who was a revolutionary war hero, a general, the youngest general of the continental army who became a leading general 15 years later at the same time he became the agent 13 and the spanish secret service and a spy for spain at the same time he led the american army but every president he worked for washington, adams, ed jefferson, ma