World Literary Awards

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Caragh M. O'Brien

キャラグ・エム・オブライエン

Caragh M. O'Brien

Pen Names: Sierra Greer（Used for adult SF novels such as Annie Bot）

Profile

Gender
Female
Born
Saint Paul, Minnesota, U.S.
Nationality
American
Languages
English

Career

Occupations
novelist, former high school teacher
Active Years
2010-2025

Education

Williams College
physics
Degree: Bachelor of Science
Country: United States
Johns Hopkins University
Writing Seminars
Degree: Master of Arts
Country: United States

Awards

Arthur C. Clarke Award
2025
Work: Annie Bot
Organization: British Science Fiction Association
Result: winner

Awards & Nominations

Works

Major Works

Birthmarked

2010 young adult dystopian novel

A dystopian novel set in a world destroyed by climate change.

dystopiaclimate changebirth control

Prized

2011 young adult dystopian novel

Second book in the Birthmarked trilogy.

dystopiasurvivalchoice

Promised

2012 young adult dystopian novel

Third book in the Birthmarked trilogy.

dystopialoyaltysacrifice

Annie Bot

2024 science fiction novel

An adult novel about a malfunctioning gynoid companion.

artificial intelligencehuman-robot relationshipsabuse

The Vault of Dreamers

2014 young adult dystopian novel

First book in the Vault of Dreamers trilogy about dream manipulation.

dystopiadreamssurveillance

Bibliography

  • Birthmarked
  • Prized
  • Promised
  • The Vault of Dreamers
  • The Rule of Mirrors
  • The Keep of Ages
  • Annie Bot

Style & Themes

Literary Style
dystopian world-buildingtense plotting
Recurring Motifs
post-climate change worldstechnology and humanitysurveillance and freedom

Legacy

Known for YA dystopian novels; won the 2025 Arthur C. Clarke Award for Annie Bot under the pen name Sierra Greer.

Trivia

  • Has three children: two sons and one daughter.
  • One of seven siblings, with sixteen nieces and six nephews.