@Work{OL21855928W,
    title: {percy jackson and the lightning theif},
    author: {Rick Riordan},
    first_publish_year: {2005}
}

@Work{OL15980243W,
    title: {The Son of Neptune},
    author: {Rick Riordan},
    first_publish_year: {2011}
}

@Work{OL492647W,
    title: {The Titan's Curse},
    author: {Rick Riordan},
    first_publish_year: {2007}
}

@Work{OL492646W,
    title: {The Sea of Monsters},
    author: {Rick Riordan},
    first_publish_year: {2005}
}

@Work{OL492640W,
    title: {The Battle of the Labyrinth},
    author: {Rick Riordan},
    first_publish_year: {2005}
}

@Work{OL18823074W,
    title: {Percy Jackson and the Last of the Olympians},
    author: {Rick Riordan},
    first_publish_year: {2009}
}

@Author{OL30765A,
    name: {Rick Riordan},
    birth_date: {5 Jun 1964}
}