"Paper Towns" is a novel by John Green that tells the story of Quentin Jacobsen, a high school student who has long admired his enigmatic neighbor, Margo Roth Spiegelman. When Margo unexpectedly reenters Quentin's life one night, they embark on a series of adventures. However, the next day, Margo mysteriously disappears, leaving only a series of cryptic clues for Quentin to decipher. Driven by his feelings for her, Quentin is determined to find Margo and understand her true identity.