<Tr> <Td> Jeffrey Archer </Td> <Td> 120 million </Td> <Td> 270 million </Td> <Td> English </Td> <Td> Crime thriller The Clifton Chronicles </Td> <Td> 30 </Td> <Td> British </Td> </Tr> <Tr> <Td> Stan and Jan Berenstain </Td> <Td> 200 million </Td> <Td> 260 million </Td> <Td> English </Td> <Td> Berenstain Bears </Td> <Td> 300 + </Td> <Td> American </Td> </Tr> <Tr> <Td> Roald Dahl </Td> <Td> 200 million </Td> <Td> 250 million </Td> <Td> English </Td> <Td> Children's literature </Td> <Td> 50 </Td> <Td> British </Td> </Tr> <Tr> <Td> John Grisham </Td> <Td> 100 million </Td> <Td> 250 million </Td> <Td> English </Td> <Td> Legal thriller </Td> <Td> 22 </Td> <Td> American </Td> </Tr>

Who is the most filmed author of all time