<Tr> <Th> Based on </Th> <Td> The Railway Series by <Ul> <Li> Rev. W. Awdry </Li> <Li> Christopher Awdry </Li> </Ul> </Td> </Tr> <Ul> <Li> Rev. W. Awdry </Li> <Li> Christopher Awdry </Li> </Ul> <Li> Rev. W. Awdry </Li> <Tr> <Th> Written by </Th> <Td> <Ul> <Li> Rev. W. Awdry (1984--1995) </Li> <Li> Christopher Awdry (1984--2011) </Li> <Li> Britt Allcroft (1984--1998) </Li> <Li> David Mitton (1984--2002) </Li> <Li> Various (2002--present) </Li> <Li> Sharon Miller (2005--2012; script editor / head writer) </Li> <Li> Andrew Brenner (1991--92, 1998, 2013--present; head writer) </Li> </Ul> </Td> </Tr>

When does big world big adventures come out