New York Times Hardcover Fiction Bestsellers April 4, 2021 1. Win by Harlan Coben Windsor Horne Lockwood III might rectify cold cases connected to his family that have eluded the F.B.I. for decades. 2. The Four Winds by Kristin Hannah As dust storms roll during the Great Depression, Elsa must choose between saving the family and farm or heading West. 3. Life After Death by Sister Souljah In a sequel to The Coldest Winter Ever, Winter Santiaga emerges after time served and seeks revenge. 4. The Midnight Library by Matt Haig Nora Seed finds a library beyond the edge of the universe that contains books with multiple possibilities of the lives one could have lived. 5. Klara and the Sun by Kazuo Ishiguro An "Artificial Friend" named Klara is purchased to serve as a companion to an ailing 14-year-old girl. 6. The Invisible Life of Addie LaRue by V.E. Schwab A Faustian bargain comes with a curse that affects the adventure Addie LaRue has across centuries. 7. Dark Sky: A Joe Pickett Novel by C.J. Box The 21st book in the Joe Pickett series. The Wyoming game warden becomes a target when taking a tech baron on an elk hunting trip. 8. We Begin at the End by Chris Whitaker Trouble might start for the chief of police and a self-proclaimed outlaw teenager when a man is released from prison. 9. Wild Sign: An Alpha and Omega Novel by Patricia Briggs   The sixth book in the Alpha and Omega series. Mated werewolves Charles Cornick and Anna Latham look into what might have caused everyone living in a small town to disappear. 10. The Vanishing Half by Brit Bennett The lives of twin sisters who run away from a Southern Black community at age 16 diverge as one returns and the other takes on a different racial identity but their fates intertwine. 11. Fast Ice: A Novel From the NUMA Files by Clive Cussler and Graham Brown The 18th book in the NUMA Files series. Kurt Austin and Joe Zavala uncover a decades-old conspiracy when they search for a missing former colleague in Antarctica. 12. A Court of Silver Flames by Sarah J. Maas The fifth book in A Court of Thorns and Roses series. Nesta Archeron is forced into close quarters with a warrior named Cassian. 13. Where the Crawdads Sing by Delia Owens In a quiet town on the North Carolina coast in 1969, a young woman who survived alone in the marsh becomes a murder suspect. 14. The Affair  by Danielle Steel A French author's extramarital relationship affects various members of his wife's family. 15. The Lost Apothecary by Sarah Penner An aspiring historian in London finds a clue that might put to rest unsolved apothecary murders from 200 years ago. © 2021 All rights reserved by New York Times Syndication Sales Corp. This material may not be published, broadcast or redistributed in any manner.   A version of this list appears in the April 4, 2021 issue of The New York Times Book Review. Rankings reflect sales for the week ending March 20, 2021. Patchogue-Medford Library 54-60 East Main Street Patchogue, New York 11772 (631) 654-4700 www.pmlib.org/