A stunning collection of literary speculative fiction by Korean bestselling and multiple award-winning author.

"Why Don't Pilgrims Return?" paints a future where 'perfect' gene selection is possible, and those who do not belong in the category of perfection are pushed out of bounds. In "Spectrum", a grandmother scientist struggles to reunite with her family in a distant universe. "If We Cannot Move at the Speed of Light" tells the story of hate toward unreasonable boundaries and longing for a family beyond the vast universe. Throughout, the stories in this collection each introduce a unique world and a new set of characters and conflicts, and yet their uniting quality is Kim's abiding empathy and scientific brilliance? Kim Cho-yeop has a master's degree in biochemistry from Pohang University. She burst onto the Korean literary scene and won the grand prize at the Korean Science Fiction Awards in 2017. has sold over 200,000 copies in Korea alone. Her first novel, Greenhouse At the End of the Earth, has become one of the top-selling fiction titles of 2021 in South Korea. Film rights have been sold.