Chipotle Mexican Grill and Amazon are challenging customers to write a super short "book report" about any of the "Cultivating Thought" stories currently found on Chipotle cups and bags. The catch? The book report must be 103 characters or less—and submitted by 11:59 p.m. tonight.

The Super Short Book Report challenges customers to not only read the newly published short stories on Chipotle’s cups and bags, but to summarize one story of their choosing. There’s still time to be one of 50 daily winners, randomly selected to receive an Amazon Kindle Paperwhite e-reader. Also, there will you won't need anyone to ask what’s in your lunchbox, if you’re one of the three lucky persons to win burritos for year.

Time is tight. Submit your entry to www.cultivatingthought.com/supershort . Go. Type. Now.

More from the press release:

The newest slate of contributors includes 11 notable authors who have been widely recognized in popular culture not only for their bestselling novels, but also for how their works have transcended the page into screenplays for film and/or television. Among the new list of authors is a Pulitzer Prize winner, a Newbery Medal winner, two National Book Award winners, and five authors who have had their writing adapted into widely recognized and award-nominated films and television shows. In addition to the sweepstakes offering, the full list of “Cultivating Thought” authors, and their written works, will be available on the Amazon Kindle homepage by visiting amazon.com/cultivatingthought.

The full list of new “Cultivating Thought” contributors includes:

M.T. Anderson (“Feed, Thirsty”)

Anthony Doerr (“All the Light We Cannot See”)

Stephen J. Dubner (“Freakonomics, SuperFreakonomics”)

Laura Esquivel (“Like Water for Chocolate”)

Jonathan Franzen (“The Corrections, Freedom, Purity”)

Laura Hillenbrand (“Unbroken: A World War II Story of Survival, Resilience, and Redemption, Seabiscuit: An American Legend”)

Sue Monk Kidd (“The Secret Life of Bees”)

Lois Lowry (“Number the Stars, The Giver”)

Tom Perrotta (“Election, Little Children, The Leftovers”)

Mary Roach (“Packing for Mars, Stiff: The Curious Lives of Human Cadavers”)

Colson Whitehead (“The Intuitionist, John Henry Days”)