Kass Morgan studied literature at Brown and Oxford, and now resides in Brooklyn, where she lives in constant fear of her Ikea bookcase collapsing and. Kass Morgan studied literature at Brown and Oxford, and now resides in Brooklyn, where she lives in constant fear of her Ikea bookcase collapsing and burying her. Overview. New in paperback-the sequel to New York Times bestseller The 100. Now a TV show on The CW! It's been 21 days since the hundred landed on Earth. Kass Morgan is the author The 100, which spawned the CW's new series. (Little, Brown Books for Young Readers) The CW’s latest drama—filled with the requisite. 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. The 100 trilogy is a young adult science fiction trilogy by Kass Morgan. The first book in the series, The 100, was published on September 3, 2013 by Little, Brown. The 100 has 16,492 ratings and 2,884 reviews. Khanh (Clowns, Nightmares, and Bunnies) said: A terrifying plan began to take shape, and his chest tight. Day 21 (The Hundred series) and over one million other books are available for Amazon Kindle. Learn more Day 21 is the second book in Kass Morgan’s dystopian series The Hundred, and it continues to follow the lives of those sent to Earth and those still living in space. “This is going to be a TV show?” was the first thing I thought of when I turned the last page of this book. I was initially interested in 100 by Kass Morgan when.