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Sean O'Reilly

7 children’s books by the writer

As a lifelong comics fan, Sean O'Reilly dreamed of becoming a comic book creator. In 2004, he realized that dream by creating Arcana Studio. In one short year, O'Reilly took his studio from a one-person operation in his basement to an award-winning comic book publisher with more than 150 graphic novels produced for Harper Collins, Simon & Schuster, Random House, Scholastic, and others.

7-8 years

Science Fair Nightmare

Sean O'Reilly, Arcana Studio

Science Fair Nightmare

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 ...

£4.99

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7-8 years

Homesick Witch

Sean O'Reilly, Arcana Studio

Homesick Witch

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 ...

£4.99

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7-8 years

Mighty Mighty Monsters Pack C

Sean O'Reilly, Arcana Studio

Mighty Mighty Monsters Pack C

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 ...

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7-9 years

Mighty Mighty Monsters Pack B

Sean O'Reilly, Arcana Studio

Mighty Mighty Monsters Pack B

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 ...

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7-9 years

Mighty Mighty Monsters: Pack A

Sean O'Reilly

Mighty Mighty Monsters: Pack A

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 ...

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7-9 years

Mighty Mighty Monsters: Pack B of 6

Sean O'Reilly, Arcana Studio

Mighty Mighty Monsters: Pack B of 6

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 ...

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New Monster in School

Sean O'Reilly

New Monster in School

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

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