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Publication Order of Brothers Grimm Mystery Books
| Gretel and the Case of the Missing Frog Prints | (2014) | Hardcover  Paperback  Kindle |
| Once Upon a Crime | (2015) | Hardcover  Paperback  Kindle |
| The Case of the Fickle Mermaid | (2016) | Hardcover  Paperback  Kindle |
| The Sorcerer’s Appendix | (2017) | Hardcover  Paperback  Kindle |