<Tr> <Th> Spouse </Th> <Td> Linda Cruise Wright </Td> </Tr> <Tr> <Th_colspan="2"> Website </Th> </Tr> <Tr> <Td_colspan="2"> www.avi-writer.com </Td> </Tr> <P> Edward Irving Wortis (born December 23, 1937), better known by the pen name Avi, is an American author of young adult and children's literature . He is a winner of the Newbery Medal and twice one of the runners - up (Newbery Honor). </P>

How many books has the author avi written