Mad Grandad’s Flying Saucer (2003), O’Brien Press (for 6+)
Mad Grandad’s Robot Garden (2003), O’Brien Press (for 6+)
The Gods And Their Machines (2004), O’Brien Press (novel)
The Harvest Tide Project (2004), O’Brien Press (novel)
Under Fragile Stone (2005), O’Brien Press (novel)
Mad Grandad And The Mutant River (2005), O’Brien Press (for 6+)
Mad Grandad And The Kleptoes (2005), O’Brien Press (for 6+)
Small-Minded Giants (2006), Random House (novel)
The Evil Hairdo (2006), O’Brien Press (for 8+)
The Poison Factory (2006), O’Brien Press (for 8+)
Ancient Appetites (2007), Random House (novel)
Mad Grandad’s Wicked Pictures (2007), O’Brien Press (for 6+)
The Goblin of Tara (2007), Barrington Stoke (illustrated novellas for reluctant readers)
Strangled Silence (2008), Random House (novel)
Wired Teeth (2008), O’Brien Press (for 8+)
The Wisdom of Dead Men (2009), Random House (novel)
The Evil Eye (2009), Barrington Stoke (illustrated novellas for reluctant readers)
The Baby Giant (2009), O’Brien Press (for 5+)
Armouron: The Armoured Ghost (2010), Random House (novella for 9+)
Armouron: Lying Eyes (2010), Random House (novella for 9+)
Mad Grandad’s Doppelganger (2010), O’Brien Press (for 6+)
Merciless Reason (2012), Random House (novel)
The Wolfling’s Bite (2012) (writing as Annie Graves), Little Island (for 6+)
Rat Runners (2013), Random House (novel)
Armouron: The Orphan Factory (2013), Random House, but only the German edition released (novella for 9+)
Get Yourself Gone (2013), Franklin Watts (novella for reluctant readers)
The Murder Machine (short story in the anthology Stories of WW1, 2014), Orchard Books
Viking Thunder in Dublin (2014), Poolbeg Press (for 6+)
The Banshee Queen of Cork (2014), Poolbeg Press (for 6+)
The Lord in the Lake in Limerick (2014), Poolbeg Press (for 6+)
Kings of the Realm: War’s Harvest, (2014), Penguin (novel)
Kings of the Realm: Cruel Salvation (2014), Penguin (novel)
Across the Cold Ground (short story in the anthology Beyond the Stars due for release in October 2014), HarperCollins
Awards and Recognition
In 2005, The Gods and Their Machines won a Bisto Book of the Year Merit Award.
In 2005, The Gods and Their Machines and The Harvest Tide Project were both shortlisted for the Reading Association of Ireland Award, the first time an author has had two books on the same shortlist for this award.
In 2006, The Gods And Their Machines, published by Tor in the United States, was shortlisted for Locus Magazine's Best First Novel Award.
In 2006, Under Fragile Stone was shortlisted for the Bisto Book of the Year Award.
In May 2007, Small-Minded Giants was recommended by the Education Secretary, Alan Johnson and the School Library Association in the UK on a one-off list of Top 160 Books For Boys (No. 44).
In 2007, Ancient Appetites was shortlisted for the Waterstone’s Children’s Book Prize.
In 2008, Small-Minded Giants was shortlisted for the Coventry Inspiration Awards, for a category of the award open to any book, rather than just those published in the relevant year.
In 2009, Strangled Silence was shortlisted for Falkirk Council’s 2010 RED Book Award.
In 2011 the French edition of Ancient Appetites, Voraces, was shortlisted for le Grand Prix de l'Imaginaire in the Young Adult (Foreign) Novel category.
In the same year, Voraces, was also shortlisted for the Prix Imaginales 2011 in the Jeunesse Category.
In 2012, Voraces was shortlisted for Les Modus du Polar Award, an award run by librarians to celebrate mystery novels.
In 2012, The Wolfling’s Bite, as part of the Nightmare Club series, was chosen for the UNESCO Dublin City of Literature Special Reading Programme.
In 2012, The Wildenstern Saga as a series was long-listed (one of ten titles) for the Grand Prix de l'Imaginaire in the Young Adult (Foreign) Novel category.
In 2014, Rat Runners was shortlisted for Falkirk Council’s 2010 RED Book Award (winner to be announced in January 2015).
In 2014 I won the European Science Fiction Society Award, given to a writer in recognition of recent works, but not for a particular book.
Foreign rights for my books have been sold in the US, Canada (in French), France, Germany, Russia, Ukraine, Denmark, Slovenia, Romania, Portugal, Turkey, Brazil and Japan.