Author Information
Sean O'Reilly's Latest Book

Newest Release

  • Bibliography:
    28 Books (1 Series)
  • First Book:
    August 2003
  • Latest Book:
    September 2017
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Full Series List in Order

Mighty Mighty Monsters

Mighty Mighty Monsters (Jul-2011)
Hide and Shriek! (Aug-2011)
Lost in Spooky Forest (Aug-2011)
Monster Mansion (Aug-2011)
My Missing Monster (Aug-2011)
New Monster in School (Aug-2011)
The King of Halloween Castle (Aug-2011)
The Scare Fair (Aug-2011)
Homesick Witch (Jul-2012)
Science Fair Nightmare (Jul-2012)
The Abominable Snow Kid (Jul-2012)
The Gremlin's Curse (Jul-2012)
Monster Beach (Sep-2012)
The Missing Mummy (Sep-2012)
The Monster Crooks (Sep-2012)
The Toy Snatcher (Sep-2012)
The Wolfboy's Wish (Sep-2012)

Book List in Order: 28 titles



  • Sean O’Reilly’s debut novel is a journey into the dark and uncomfortable psyche of Niall, a young man on the run from the past and denying himself a future. In the nineties, soon after the first IRA cease-fire has ended, Niall returns to the dama...



  • Kade is the enigmatic warrior who embarks on an adventure to remove the Dark Veil and the demon behind the darkness. Kade must uncover the secrets of the Black Sun while struggling with his physical limitations and his concept of being a hero. The Ka...



  • `Watermark' tells the story of Veronica a young woman living on the edge of desire and reason in an unnamed Irish city. As with his three earlier books, Sean O'Reilly proves himself here to be a genuine prose stylist, possessed of a uniquely dark and...





  • Like the legends of the Pirates who roamed the Seven Seas, "21st Century Pirate" is loaded with treachery and greed and disasters at sea. Step aboard for a wild ride from Key West and South Florida to Jamaica and the islands of the Caribbean. Sail th...



  • During the Black Sun, under the Eye of God, angels may fall to Earth. These Fallen Angels have left the grace of God and act without consequence. Many try to spite their Creator by possessing the anemic spirits of those who are morally corrupt, usi...



  • Herbert is a social outcast at school and deals with depression through hisblogging website www.thehopevirus.com. After struggling with his depression a highly unusual case of insomnia Herbert falls into a deep coma only to awaken a hundred years lat...



  • In a strange corner of the world is the haunted country of Transylmania, the birthplace of heroes and legendary creatures, such as Frankenstein, Dracula, and the Wolfman. That’s where you will find a team of young friends who are learning to face d...



  • What frightens Frankenstein? When the monsters get lost in the woods, they'll discover that even the mightiest of monsters can get spooked. ...






  • The monsters are enjoying a day at the annual scare fair when Milton runs into trouble. Cursed with bad luck, he breaks all the mirrors in the infamous hall of mirrors. The scare fair is already having money trouble, and Milton must find a way to rep...



  • Before the monsters can play Hide and Seek, they need to make some rules. No flying like a vampire bat, no sniffing like a werewolf, and absolutely no magic! ...



  • The Mighty Mighty Monsters must relight the flame of Halloween. If they don't, the haunted holiday could be extinguished for good. ...



  • When you're a Mighty Mighty Monster, spending the night in a haunted mansion should be easy. Unfortunately, no one told that to the ghosts. ...



  • When one of the Mighty Mighty Monsters' pets goes missing, they all must lend a hand, or a paw, or a claw......



  • Being the new kid at school is never easy, especially when you're a monster! Luckily, in Transylmania, the other kids are monsters too. ...



  • Ezra has agreed to make an exchange between a renowned criminal and an Egyptian goddess. The full sized Ezra: Egyptian Exchange trade paperback collects the entire storyline including Arcana Studio Presents Free Comic Book Day, Issues 1-4, as well a...





  • Ivan the Terrible has lorded over Russia for years, but deep inside his Russian aristocracy there is a demon embedded like a tick. Kade must enter the inner circle, discover who has deceived a Tsar and a nation and send that Fallen Angel back to the...



  • Winter has pounced on Transylmania in full force. While the kids are thrilled to have a snow day, their good times are cut short when they realize the cause: An Abominable Snow Kid has moved to Transylmania, and she has brought the cold weather along...






  • Vlad the usually unflappable vampire is having a really bad day -- so bad that he begins to wonder if he's cursed! The Mighty, Mighty Monsters try to help him out, but they seem to only add to Vlad's bad luck. But when the gang spots a new gremlin fo...



  • Witchita is leaving for the Salem School of Witchcraft, a special school that will have her away for the entire summer. The Mighty, Mighty Monsters are sad to see her go, but Witchita is excited to learn all new sorts of witchery. A few days after sh...



  • It's time for the Transylmania Science Fair! Each of the Mighty, Mighty Monsters have their eyes on the grand prize, but no one wants to share. With each monster hoping to snatch up the winnings for themselves, lines are drawn and friends become foes...



  • The Mighty Mighty Monsters are going on a field trip to the museum in the city. Like most of their outings, things get a little crazy. They meet a mummy who comes to life. Using their 'Monster Might,' they help him break out of the museum and take hi...



  • The monsters are ready for a relaxing day at the beach. However, the day is anything but relaxing! The group meets a young, lonely Lock Ness Monster named Gill who is scared of the water. They help Gill find the confidence he needs to go into the oce...



  • After a bag mix up earlier in the day, Vlad and the monster gang become part of a crazy art heist. They've found the thugs who stole the art from the museum, but now they must find a way to save themselves! ...



  • When Mary's favorite skateboard disappears, she fingers Frankie as the culprit. And things only get worse when Frankie loses his favorite action figure and blames Mary. The monsters need to solve the case of the missing toys to regain their friendshi...



  • While the other monsters are ready for some summer fun, Talbot is stuck in summer school. Instead of doing the 20-page book report, Talbot finds a treasure map in the library and decides it is more important than school. He grabs the map, grabs his f...




Frequently Asked Questions (FAQ)

Sean O'Reilly has published 28 books.

Sean O'Reilly does not have a new book coming out soon. The latest book, Levitation, was published in September 2017.

The first book by Sean O'Reilly, Love and Sleep, was published in August 2003.

Yes. Sean O'Reilly has 1 series.