<Tr> <Td> 9 </Td> <Td> The Blythes Are Quoted </Td> <Td> 2009 </Td> <Td> 40--75 </Td> <Td> 1905--1940 </Td> </Tr> <Tr> <Td_colspan="5"> Anne Shirley features in one story (and is referenced in other stories) in each of the following collections: </Td> </Tr> <Tr> <Th> No </Th> <Th> Book </Th> <Th> Date published </Th> <Th> Anne Shirley's age </Th> <Th> Timeline year </Th> </Tr> <Tr> <Td>--</Td> <Td> Chronicles of Avonlea </Td> <Td> 1912 </Td> <Td> approx. 20 </Td> <Td> 1885 </Td> </Tr>

What is the main theme of anne of green gables