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Once Upon a Monster Books in Order
Below you'll find the complete list of Once Upon a Monster books in publication order. This is generally the recommended reading order for the series.
Reading order verified: March 2026
Quick Answer
What order should I read the Once Upon a Monster series? Start with "Bleeding Hearts" (2021) and follow publication order through all 3 books.
The complete Once Upon a Monster reading order is listed below in publication sequence.
Publication Order
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