Authors: K
- Lynn Kerstan4 books
- Jackie Kessler2 books
- Liz Kessler14 books
- Jack Ketchum3 books
- Ryan, Kevin2 books
- Alexander Key2 books
- J. Gregory Keyes3 books
- Marian Keyes2 books
- Rajan Khanna2 books
- Cassandra Khaw4 books
- Rachel Khong1 book
- Kazu Kibuishi1 book
- Paul Kidby3 books
- Ronald Kidd4 books
- Rob Kidd16 books
- Celine Kiernan2 books
- Caitlín R. Kiernan5 books
- Hideyuki Kikuchi2 books
- Jarlath Killeen2 books
- Kevin Killian2 books
- Margaret Killjoy7 books
- Heather Killough-Walden2 books
- Nancy Kilpatrick2 books
- Graci Kim3 books
- Eric A. Kimmel3 books
- Elizabeth Cody Kimmel3 books
- Kimberly Kincaid2 books
- Sadie Kincaid6 books
- Kinsley Kincaid5 books
- Karen Kincy3 books
- A. S. King2 books
- Laurie R. King10 books
- Stephen King112 books
- Lorelei King2 books
- Tabitha King2 books
- D. L. King3 books
- Owen King1 book
- Jeremy Jordan King2 books
- William King1 book
- Valerie King2 books
- Bernard King2 books
- Charles King5 books
- Basil King8 books
- T. Kingfisher3 books
- Cordelia Kingsbridge6 books
- Karen Kingsbury6 books
- Charles Kingsley7 books
- Katherine Kingsley5 books
- Florence Morse Kingsley6 books
- Dick King-Smith3 books
- William Henry Giles Kingston24 books
- W. H. G. Kingston2 books
- Jeff Kinney1 book
- Sakura Kinoshita2 books
- Laura Kinsale3 books
- Sophie Kinsella1 book
- Rudyard Kipling16 books
- Kiran-Millwood-Hargrave1 book
- Matthew J. Kirby2 books
- Cindy Kirk3 books
- Ambrielle Kirk2 books
- Robert Kirkman1 book
- Russell Kirkpatrick2 books
- Erica Kirov3 books
- Katy Kit4 books
- Caitlin Kittredge7 books
- Jim Kjelgaard2 books
- Annette Curtis Klause3 books
- T. E. D. Klein2 books
- K-Lee Klein2 books
- Norma Klein3 books
- Lisa Kleypas27 books
- Kate Klimo2 books
- Otis Adelbert Kline6 books
- Leslie S. Klinger3 books
- Kate Klise9 books
- Steve Kluger2 books
- T. J. Klune33 books
- Richard A. Knaak10 books
- Rosalie Knecht2 books
- Angela Knight21 books
- Deidre Knight5 books
- Karsten Knight2 books
- Geoffrey Knight3 books
- Rob Knight5 books
- Shona Knight2 books
- Alanna Knight1 book
- E.E. Knight3 books
- Damon Knight10 books
- David C. Knight2 books
- Clayton Knight2 books
- Kathleen Knowles3 books
- Thomas Wallace Knox4 books
- Michelle Knudsen2 books
- Dan Koboldt2 books
- Gini Koch2 books
- Kazuno Kohara3 books
- Sharie Kohler3 books
- Daniel Kondo1 book
- Ralf König2 books
- E. L. Konigsburg1 book
- Maria Konnikova1 book
- Alethea Kontis2 books
- Burt Konzak2 books
- Dean Koontz52 books
- Kathleen Korbel3 books
- C. M. Kornbluth14 books
- Elizabeth Kostova1 book
- August von Kotzebue2 books
- William Kotzwinkle2 books
- Elise Kova7 books
- Mary Robinette Kowal4 books
- Richard von Krafft-Ebing1 book
- Betina Krahn2 books
- Edward E. Kramer1 book
- Larry Kramer2 books
- Judith Krantz2 books
- László Krasznahorkai1 book
- Daniel Kraus2 books
- Robert Kraus3 books