Half Life (Jackson novel)

{{short description|2006 novel by Shelley Jackson}}

{{Use mdy dates|date=March 2025}}

{{Infobox book

| name = Half Life

| title_orig =

| translator =

| image = File:ShelleyHalfLife.jpg

| caption = First edition cover

| author = Shelley Jackson

| illustrator =

| cover_artist = Jacket design by Roberto de Vicq de Cumptich

| country = United States

| language = English

| series =

| subject =

| genre = Novel, alternate history

| publisher = HarperCollins

| release_date = July 25, 2006

| english_release_date =

| media_type = Print (hardback & paperback)

| pages = 440 pp (first edition, hardcover)

| isbn = 978-0-06-088235-8

| isbn_note = (first edition, hardcover)

| dewey= 813/.54 22

| congress= PS3560.A2448 H35 2006

| oclc= 63165002

| preceded_by =

| followed_by =

}}

Half Life is the 2006 debut novel of American writer and artist Shelley Jackson. The novel presupposes an alternate history in which the atomic bomb resulted in a genetic preponderance of conjoined twins, who eventually become a minority subculture.