Where did Percy go to school in "The Lightning Thief"

______'s tree was poisoned in "The Sea of Monsters"

Who blinded the Cyclops, Prometheus, many years before Percy did in "The Sea of Monsters"

Bianca di Angelo and Nico di Angelo are the children of (The Titan's Curse)

Who held up the sky for 22 hours with the blessing of Artemis in "The Titan's Curse"

Who went into the Labyrinth to find Deadalus and his workshop in "The Battle of the Labyrinth"

What did Rachel throw at the Titan, Kronos, in "The Battle of the Labyrinth"

Who killed the Drakon in "The Last Olympian"

Who is Percy's step-dad in "The Last Olympian" NOT in "The Lightning Thief"

Best Rick Riordan series?

Who are the 3 main characters in "The Lost Hero"

The Roman variant of Zeus is (The Lost Hero)

Who are the 3 main characters in "The Son of Neptune"

Who were the praetors of Camp Jupiter (The Son of Neptune)

Who fired the turents at Camp Jupiter in "The Mark of Athena"

What was the ship The Seven went on in "The Mark of Athena"

Who is more powerful?