From the #1 bestselling author of The Fault in Our Stars

Winner of the Edgar Award for Best Young Adult Mystery
New York Times bestseller
USA Today bestseller
Publishers Weekly bestseller
When Margo Roth Spiegelman beckons Quentin Jacobsen in the middle of the night—dressed like a ninja and plotting an ingenious campaign of revenge—he follows her. Margo's always planned extravagantly, and, until now, she's always planned solo. After a lifetime of loving Margo from afar, things are finally looking up for Q . . . until day breaks and she has vanished. Always an enigma, Margo has now become a mystery. But there are clues. And they're for Q.

Printz Medalist John Green returns with the trademark brilliant wit and heart-stopping emotional honesty that have inspired a new generation of readers.

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Winner of the Edgar AwardThe #1 New York Times BestsellerPublishers Weekly and USA Today BestsellerMillions of Copies SoldQuentin Jacobsen has spent a lifetime loving the magnificent Margo Roth Spiegelman from afar. So when she cracks open a window and climbs back into his life—summoning him for an ingenious campaign of revenge—he follows. When their all-nighter ends and a new day breaks, Margo has disappeared. But Q soon learns that there are clues—and they’re for him. Embarking on an exhilarating adventure to find her, the closer Q gets, the less he sees the girl he thought he knew.#1 Bestselling author of The Fault in Our Stars John Green crafts a brilliantly funny and moving coming-of-age journey about true friendship and true love.