- Author: Oisin McGann Author Record # 31080
- Birthplace: Dublin, Ireland
- Birthdate: 1973
- Language: English
- Webpages: oisinmcgann.com, Wikipedia-EN
- Used These Alternate Names: O. B. McGann
- Author Tags: juvenile fantasy (12), steampunk (3), young-adult sf (2), alternate history (1), fantasy (1), victorian (1), young-adult fantasy (1), Young Adult (1), juvenile sf (1)
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Novels
- Ancient Appetites (2007)
- Merciless Reason (2012)
- Rat Runners (2013)
- Small-Minded Giants (2006)
- Strangled Silence (2008)
- The Armoured Ghost (2010)
- The Gods and Their Machines (2004)
- The Harvest Tide Project (2005)
- The Wisdom of Dead Men (2009)
- Under Fragile Stone (2006)
- Mad Grandad and the Flying Saucer (2016)
- Mad Grandad and the Kleptoes (2005)
- Mad Grandad and the Mutant River (2005)
- Mad Grandad and the Robot Garden (2016)
- Mad Grandad and the Wicked Pictures (2017)
- Mad Grandad's Doppelganger (2010)
- Mad Grandad's Flying Saucer (2003)
- Mad Grandad's Robot Garden (2005)
- Mad Grandad's Wicked Pictures (2007)
- The Baby Giant (2009)
- The Evil Eye (2009)
- The Evil Hairdo (2006)
- The Goblin of Tara (2007)
- The Poison Factory (2006)
- Wired Teeth (2008)
- Mad Grandad and the Kleptoes (2005)
- Mad Grandad and the Mutant River (2005)
- Mad Grandad's Doppelganger (2010)
- Mad Grandad's Flying Saucer (2003)
- Mad Grandad's Robot Garden (2005)
- Mad Grandad's Wicked Pictures (2007)
- The Baby Giant (2009)
- The Evil Eye (2009)
- The Evil Hairdo (2006)
- The Goblin of Tara (2007)
- The Poison Factory (2006)
- Wired Teeth (2008)
- Burning Questions (2013)