The novels listed below are sorted by the gender of the twin pair. Within each group, they are listed alphabetically by author’s last name. Listing these books here does not imply recommendation or endorsement by the Washington State Twin Registry.
Books about male-female twin pairs
- The Stormchasers: A Novel by Jenna Blum
- The Prince of Tides: A Novel by Pat Conroy
- South of Broad: A Novel by Pat Conroy
- The Memory Keeper’s Daughter: A Novel by Kim Edwards
- Gone Girl by Gillian Flynn
- The Last Child by John Hart
- Marshmallows for Breakfast by Dorothy Koomson
- We Are Water: A Novel by Wally Lamb
- The God of Small Things: A Novel by Arundhati Roy
- Ice Trap: A Novel of Psychological Suspense by Kitty Sewell
- Twelfth Night, or What You Will: The Oxford Shakespeare Twelfth Night, or What You
- Will (Oxford World’s Classics) by William Shakespeare
- The Promised World: A Novel by Lisa Tucker
- Shadowmarch Series (Volumes 1-4) by Tad Williams
- Shadowmarch: Volume One of Shadowmarch
- Shadowplay: Volume Two of Shadowmarch
- Shadowrise: Volume Three of Shadowmarch
- Shadowheart: Volume Four of Shadowmarch
Books about male-male twin pairs
- The Heirs of Hammerfell (Darkover) by Marion Zimmer Bradley
- On the Black Hill: A Novel (Penguin Ink) by Bruce Chatwin
- The Poet by Michael Connelly
- Housewrights by Art Corriveau
- The Third Twin by Ken Follett
- I Know This Much Is True: A Novel (P.S.) by Wally Lamb
- Private by James Patterson and Maxine Paetro
- The World of Karov (Book #1 in the Children of Demilee Series) (Volume 1) by Elyse
- Salpeter
- The Comedy of Errors: The Oxford Shakespeare The Comedy of Errors (Oxford World’s Classics) by William Shakespeare
- The Other (New York Review Books Classics) by Thomas Tryon
- Cutting for Stone by Abraham Verghese
- Where the Line Bleeds by Jesmyn Ward
Books about female-female twin pairs
- The Switch by Sandra Brown
- Wise Children: A Novel by Angela Carter
- Two Little Girls in Blue: A Novel by Mary Higgins Clark
- A Proper Education for Girls: A Novel by Elaine diRollo
- Finding Me by Darnella Ford
- Juliet: A Novel (Random House Reader’s Circle) by Anne Fortier
- The Daring Twin (Avon Historical Romance) by Donna Fletcher
- The Bewitching Twin by Donna Fletcher
- Juno & Juliet: A Novel by Julian Gough
- Matters of Chance: A Novel by Jeannette Haien
- Silent Partner: An Alex Delaware Novel (Alex Delaware Novels) by Jonathan Kellerman
- The Girls: A Novel by Lori Lansens
- Her Fearful Symmetry by Audrey Niffenegger
- The Opposite of Me: A Novel by Sarah Pekkanen
- Under Gemini by Rosamunde Pilcher
- The Twins by Saskia Sarginson
- The Thirteenth Tale: A Novel by Diane Setterfield
- Dead Ringer by Lisa Scottoline
- Mistaken Identity by Lisa Scottoline
- Think Twice by Lisa Scottoline
- Sisterland: A Novel by Curtis Sittenfeld
- Mirror Image by Danielle Steel
- The Last Will of Moira Leahy: A Novel by Therese Walsh