The Dark Triangle

{{short description|1979 science fiction novel by Hugh Walters}}

{{Use dmy dates|date=April 2022}}

{{italic title}}

{{Infobox book

| name = The Dark Triangle

| title_orig =

| image = TheDarkTriangle.jpg

| image_caption = Cover art of the first edition

| author = Hugh Walters

| illustrator =

| cover_artist =

| country = United Kingdom

| language = English

| series = Chris Godfrey of U.N.E.X.A

| genre = Science fiction novel

| publisher = Faber

| pub_date = 1979

| media_type =

| pages = 125

| isbn = 0571115845

| oclc = 8882523

| preceded_by = The Blue Aura

| followed_by = The Glass Men (unpublished)

}}

The Dark Triangle is a juvenile science fiction novel, the twentieth and last published in Hugh Walters' Chris Godfrey of U.N.E.X.A. series. It was published in the UK by Faber in 1979. One final book - The Glass Men - was written, but was never published.

A copy of the completed novel was sent to then serving prime minister Margaret Thatcher and president Ronald Reagan in 1982.[http://homepage.ntlworld.com/gaudeamus/walters/20triang/pics.htm Letters from Margaret Thatcher and Ronald Reagan] {{Webarchive|url=https://web.archive.org/web/20121025131509/http://homepage.ntlworld.com/gaudeamus/walters/20triang/pics.htm |date=2012-10-25 }}