<Table> The Trials of Apollo <Tr> <Td_colspan="2"> Logo of the series </Td> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> The Hidden Oracle (2016) </Li> <Li> The Dark Prophecy (2017) </Li> <Li> The Burning Maze (2018) </Li> <Li> The Tyrant's Tomb (2019) </Li> </Ul> </Td> </Tr> <Tr> <Th> Author </Th> <Td> Rick Riordan </Td> </Tr> <Tr> <Th> Cover artist </Th> <Td> John Rocco </Td> </Tr> <Tr> <Th> Country </Th> <Td> United States </Td> </Tr> <Tr> <Th> Language </Th> <Td> English </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Greek mythological fiction, fantasy, adventure and children's fiction </Td> </Tr> <Tr> <Th> Publisher </Th> <Td> Hyperion Books </Td> </Tr> <Tr> <Th> Published </Th> <Td> 2016--present </Td> </Tr> <Tr> <Th> Media type </Th> <Td> Print (hardcover and paperback), audiobook, e-book </Td> </Tr> <Tr> <Th> No. of books </Th> <Td> 3 (as of 2018) </Td> </Tr> <Tr> <Th> Preceded by </Th> <Td> The Heroes of Olympus </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Logo of the series </Td> </Tr>

What is the fourth book in the trials of apollo