4 books in series

The Hellfire Quartet

The Hellfire Quartet is a 1-book series first released in 2020 with contributions by Cynthia Dane and Hildred Billings.

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Spark

#1PopularFirst

2020 • 1 Reader • 68 pages • 4

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Heat

#2

1 Reader • 4

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Burn

#3

1 Reader • 5

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Flame

#4

1 Reader • 3