<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (October 2015) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (October 2015) (Learn how and when to remove this template message) </Td> </Tr> <Table> Crispin: The Cross of Lead <Tr> <Td_colspan="2"> First edition cover </Td> </Tr> <Tr> <Th> Author </Th> <Td> Avi (or Edward Irving Wortis) </Td> </Tr> <Tr> <Th> Country </Th> <Td> United States </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Young adult novel, Historical novel </Td> </Tr> <Tr> <Th> Publisher </Th> <Td> Hyperion Books </Td> </Tr> <Tr> <Th> Publication date </Th> <Td> June 2002 </Td> </Tr> <Tr> <Th> Media type </Th> <Td> Print (Hardback & Paperback) </Td> </Tr> <Tr> <Th> Pages </Th> <Td> 307 pp </Td> </Tr> <Tr> <Th> ISBN </Th> <Td> 0 - 7868 - 0828 - 4 (first edition, hardback) </Td> </Tr> <Tr> <Th> OCLC </Th> <Td> 48559447 </Td> </Tr> <Tr> <Th> LC Class </Th> <Td> PZ7. A953 Cr 2002 </Td> </Tr> <Tr> <Th> Followed by </Th> <Td> (Crispin: At the Edge of the World) </Td> </Tr> </Table> <Tr> <Td_colspan="2"> First edition cover </Td> </Tr>

Who is the author of crispin the cross of lead