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Mythos Academy Colorado Books in Order

Part ofJennifer Estep Books in Order

Follow the Mythos Academy Colorado spinoff by Jennifer Estep in order, with story overviews, world background, and tips on where to start Rory Forseti's new battles against Reapers.

Last updated: January 17, 2026

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Publication Order

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4 books

1

Spartan Promise

by Jennifer Estep

2019

As part of Team Midgard, Rory Forseti tracks a lead on Covington, the Reaper who murdered her parents. A mission to stop an artifact theft turns into a deadly maze beneath the academy, where not all enemies are Reapers.

2

Spartan Destiny

by Jennifer Estep

2019

Rory and Team Midgard finally get a real chance to stop Covington and his Reapers for good. A risky plan, a powerful artifact, and a brutal fight force her to decide what she is willing to sacrifice for her friends.

3

Spartan Heart

by Jennifer Estep

2017

A new school year brings the same old whispers for Rory Forseti, daughter of notorious Reapers. Rumors of a fresh Reaper group and strange artifacts in the library force her to embrace her skills and defend Mythos Academy Colorado.

4

Bitter Frost

by Jennifer Estep

2017

Spartan Rory Forseti is an outcast at the Colorado branch of Mythos Academy because her parents were Reapers. When she witnesses a new Reaper attack and strange monsters on campus, she is pulled into a secret team fighting back.

Series background & context

Mythos Academy Colorado returns to the world of Gwen Frost but shifts the spotlight west to the academy in Snowline Ridge, Colorado. The heroine this time is Rory Forseti, a Spartan girl and Gwen’s cousin. Rory has the same warrior potential as the kids around her, but her family history makes her life far more complicated.

Rory’s parents were Reaper assassins who helped Loki’s followers for years before turning against them and paying with their lives. Everyone at school knows exactly who they were, which means Rory walks the halls with a permanent target on her back. Some classmates fear her, others hate her, and a few are waiting for her to fail so they can say they were right about her all along.

In Spartan Heart, Rory is just hoping for a quieter school year when rumors surface about a new group of Reapers who can summon mythological monsters. The attacks that follow show that the war Gwen fought in North Carolina did not end the threat. Rory is recruited into Team Midgard, a mix of students and adults tasked with hunting these Reapers and protecting powerful artifacts.

The follow up books deepen that work. Spartan Promise sends Rory and her friends after Covington, a former librarian turned Reaper leader who murdered her parents. What starts as a straightforward mission to stop an artifact theft turns into a maze of traps, lies, and hard choices underground. Spartan Destiny pushes everything to a breaking point when Team Midgard finally gets a real chance to stop Covington, only to discover he has been planning for them all along.

Throughout the spinoff, Estep keeps the same blend of mythology, action, and school life that defined the original Mythos Academy novels, but the emotional core is different. Rory is not an unsure newcomer; she is a girl trying to carry the weight of her parents’ crimes while choosing a different path. Trust, forgiveness, and what it means to earn your place all sit right beside sword fights and artifact hunts.

You do not have to read the Gwen books first to follow Rory’s story, but longtime readers will recognize teachers, gods, and magical rules. For fans who wished the Mythos world had more room to breathe, the Colorado series offers a fresh view of the same war against Reapers through the eyes of a heroine with her own scars and her own style.

Edited by

Richard Reis

Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.

Anurag Ramdasan

Lead investor at 3one4 Capital whose startup expertise and love for books helped shaped MRB and its growth.

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All 4 Mythos Academy Colorado Books in Order (2026)