Author Information
Rob Osler's Latest Book

Newest Release

  • Bibliography:
    3 Books (2 Series)
  • First Book:
    February 2022
  • Latest Book:
    December 2024
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Full Series List in Order

Harriet Morrow Investigates)

1 - The Case of the Missing Maid (Dec-2024)

A Hayden and Friends Mystery

1 - Devil's Chew Toy (Feb-2022)
2 - Cirque du Slay (Mar-2024)

Book List in Order: 3 titles



  • 2023 LEFT COAST CRIME LEFTY AWARD NOMINATION: Best Debut Mystery Novel2023 AGATHA AWARD NOMINATION: Best First Novel2023 ANTHONY AWARD FINALIST: Best Novel2023 MACAVITY AWARD NOMINATION: Best First MysteryA POPSUGAR BEST MYSTERY OF 2022A BOOKRIO...



  • In this rollicking mystery, perfect for fans of Steven Rowley and Elle Cosimano, the circus becomes the stage for a high-profile murder investigation. With quirky LGBTQ+ amateur sleuths, Cirque du Slay will delight readers looking for a madcap myster...



  • The acclaimed author of the Anthony, Agatha, Macavity, and Lefty Award-nominated Devil’s Chew Toy delights with the first in a new historical mystery series set in turn-of-the-19th-century Chicago, as America is entering its Progressive Era and Har...




Frequently Asked Questions (FAQ)

Rob Osler has published 3 books.

The next book by Rob Osler, The Case of the Missing Maid, will be published in December 2024.

The first book by Rob Osler, Devil's Chew Toy, was published in February 2022.

Yes. Rob Osler has 2 series.