<Tr> <Th> Genre </Th> <Td> <Ul> <Li> Fantasy </Li> <Li> Adventure </Li> </Ul> </Td> </Tr> <Ul> <Li> Fantasy </Li> <Li> Adventure </Li> </Ul> <Tr> <Th> Publisher </Th> <Td> Allen & Unwin </Td> </Tr> <Tr> <Th> Published </Th> <Td> <Ul> <Li> 29 July 1954 </Li> <Li> 11 November 1954 </Li> <Li> 20 October 1955 </Li> </Ul> </Td> </Tr>

How many lord of the rings and hobbit books are there