Get this from a library! The Day [Kass Morgan] -- It's been 21 days since the hundred landed on Earth. They're the only humans to set foot on the planet in centuries.or so they thought. Facing an unknown enemy, the hundred struggle to survive the .
"The Lightning Thief Percy Jackson Book Cover" The Lightning Thief is the first book in the Percy Jackson and the Olympians series by author Rick Riordan. Book cover illustrations by John Rocco, the artist for the series.