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MK Eidem Books in Order

This page lists MK Eidem books in order, with series background, reading order guidance, and short summaries so you can dive into her sci fi romance worlds.

Last updated: December 25, 2025

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18 books

A Grim Baby

by MK Eidem

2022

House Luanda is busier than ever as more women choose Tornian warriors and a new facility prepares to welcome willing females from Earth. While Grim dreads presenting his daughter to the empire, a fresh threat emerges that endangers Tornian, Kaliszian, and human lives just as new generations are being born.

Her Commanders

by MK Eidem

2021

Cali has spent her life hiding what she is and wants nothing to do with messy emotions like love. On a remote star base, commanding officers Jamis Dexxirs and Taarig Ynn enjoy their freedom and reputation, until their unexpected connection with Cali forces all three Apre to confront desire, power, and the possibility of building something lasting together.

Ull

by MK Eidem

2020

Ull Rigel, a first male and capable warrior, always assumed his status would attract a mate, yet even the newly found Earth females ignore him. Sent to protect Earth from predatory aliens, he crosses paths with Trisha Burke, whose search for missing loved ones and powerful political connections will change the fate of several worlds.

Supreme's Kiss

by MK Eidem

2020

At last settled on Mondu, Kirall and Autumn hope for peace, a home, and a family. The return of the Supremes instead ignites ancient grudges, and when a stolen jewel ties old enemies to Autumn's past, the pair must risk everything to pull their world back from the brink.

Stephanie's Challenge

by MK Eidem

2019

Lieutenant Stephanie Michelakakis devoted her life to the Coalition and was poised to become the first woman in a royal guard before a devastating injury ended that dream. Assigned to work with Nicholas Deffand, the intense captain of King Jotham's guard, she must rediscover her purpose and decide if there is room for love alongside duty.

Autumn's Kiss

by MK Eidem

2018

Newly revealed as a rare Supreme Dragoon, Autumn travels to Kirall's world of Mondu expecting to meet more of her kind and start a quiet life. Instead she and Kirall face suspicion, political plots, and an attack on their bond that forces Autumn to prove just how powerful she really is.

A Grim Pet

by MK Eidem

2018

Carly and Miki have grown up on stories of the Great Raptor that guards their new home world. When they secretly rescue an injured bird in the palace gardens, their small act of kindness sets off a chain of events that tests Grim, Lisa, and the meaning of family on Luda.

Treyvon

by MK Eidem

2017

General Treyvon Rayner commands the Kaliszian defenses while quietly atoning for an ancestor's role in a galaxy changing disaster. Jennifer Neibaur, a gifted chef whose dream career ended in tragedy, believes her life is over until their unexpected connection offers both of them a chance at forgiveness, pleasure, and a new kind of home.

Nikhil

by MK Eidem

2016

Nikhil Kozar, massive leader of the Kaliszian Elite Warriors, expects a routine rescue when a shuttle crashes on a remote world. Instead he finds Mac Wharton, a human guide brutalized by aliens and hiding a dangerous secret, and their bond pulls them into a conspiracy that threatens the Kaliszian Empire itself.

Kirall's Kiss

by MK Eidem

2016

Prime Dragoon Kirall is furious when a distant moon triggers his mating heat far from his home world, with only fragile human women nearby. Desperate waitress Autumn takes a risky job for the money and collides with a towering dragon shifter whose claim on her will change both their destinies.

Ynyr

by MK Eidem

2015

As a third male from a disgraced branch of House Rigel, Ynyr never expected to be chosen by any female. Abby, a human student abducted before she could start teaching, becomes his unlikely mate, and together they are tasked with rebuilding a corrupted House while keeping their fragile new trust alive.

Oryon

by MK Eidem

2015

Lord Oryon and his mate Isis return home after a historic council meeting to find that exposure to Earth women has changed more than galactic politics. As Isis claims a stronger voice in their marriage and House Rigel, the couple must weather backlash from those who fear any shift in Tornian traditions.

Jacinda's Challenge

by MK Eidem

2015

King Jotham of the House of Protection has buried his grief and ruled by duty for decades, until a stubborn summons brings healer Jacinda to his palace. A widowed mother with her own scars, she challenges his choices and tempts him toward a late in life romance that could heal an entire family.

Wray

by MK Eidem

2014

Emperor Wray Vasteri rules a powerful empire that is dying for lack of compatible mates. A chance encounter with a Ganglian slave ship leads him to Kim Teel, a young human woman abducted while searching for her sister, and together they must survive captivity, bridge cultures, and decide if they dare change the future of two peoples.

Victoria's Challenge

by MK Eidem

2013

Abducted as a toddler and later forced to watch Earth burn, Victoria Chamberlain grows up among the Carinians and forges herself into a gifted healer. When the pilot who once saved her life is badly injured, she seizes the chance to claim Lucas as her life mate, but love means facing buried trauma and hard sacrifices.

Grim

by MK Eidem

2013

Scarred King Grim Vasteri expects to die without a mate in an empire slowly collapsing for lack of females. When he discovers widowed human Lisa Miller grieving at her husband's grave, he strikes a desperate bargain that will take her from Earth, reunite her with her daughters, and reshape the Tornian Empire.

Cassandra's Challenge

by MK Eidem

2013

Cassandra Chamberlain is a brilliant young scientist whose life implodes when an alien attack wipes out Earth and leaves her and her niece Victoria as the only survivors. Rescued by Carinian admiral William Zafar, she is pulled into an alien empire, political intrigue, and a dangerous attraction that could cost them both everything.

A Grim Holiday

by MK Eidem

2013

During the Festival of the Goddess on Luda, Lisa is excited to share holiday traditions from Earth with Grim and their daughters, only to discover Tornian celebrations are far more intense than she imagined. This warm novella follows their first blended holiday and the growing bonds within House Luanda.

Where should I start?

If you want her core alien-warrior saga: GrimWrayYnyrOryon.
If you like political and royal sci fi romance: Cassandra's ChallengeVictoria's ChallengeJacinda's ChallengeStephanie's Challenge.
If dragon shifters appeal most: Kirall's KissAutumn's KissSupreme's Kiss.
If you prefer Kaliszian warriors and redemption arcs: NikhilTreyvon.
If you want a steamy standalone on a star base: Her Commanders.

Author bio

M.K. Eidem writes science fiction and fantasy romance full of alien empires, found families, and very human relationships. She lives in the Pacific Northwest with her family, three cats, and a rotating cast of other animals.

Growing up, she was the kid who always had a book hidden somewhere. She has talked about sneaking novels off her sisters' shelves, reading them in secret, then quietly sliding them back before anyone noticed. Stories were a kind of contraband, and she loved every minute of it.

As a reader, she was never quite done with a story when the last page ended. She would imagine alternate scenes and new endings, or wonder what might happen if a character made a different choice. That habit of asking 'what if' slowly turned into sketching out her own worlds and romances.

She started crafting stories when she was young and kept at it through work and family life, but the real shift came after her two children were grown and out of the house. With a quieter home and a little more time, she finally sat down to write the novels that had been living in her head for years. Those early drafts grew into the interconnected universes readers now know from the Tornians, Kaliszians, Imperial, Kiss, and Cyborg Redemption books.

In the Tornian and Kaliszian stories, beginning with titles like Grim, Wray, Nikhil, and Treyvon, she plays with big scale stakes. Alien warriors face a collapsing society, human women are pulled into their orbit, and survival depends as much on communication and compromise as it does on strength. Fans come for the towering heroes and intense action and stay for the everyday moments, like sharing food, raising children, and building a new kind of home.

Her Imperial or Challenge novels, including Cassandra's Challenge, Victoria's Challenge, Jacinda's Challenge, and Stephanie's Challenge, shift the spotlight toward royal politics and military duty. These books follow admirals, kings, guards, and brilliant human women as they navigate grief, loyalty, and second chances. The settings range from warships and palaces to medical centers and training yards, but at the heart it is always about two people learning how to trust each other.

With the Kiss series, starting with Kirall's Kiss and Autumn's Kiss, she leans into dragon shifters, ancient bloodlines, and the tension between tradition and change. Other stories, such as Her Commanders and the Cyborg Redemption novels, push into different corners of the same wide universe, bringing in long lived species, cybernetic soldiers, and complicated, multi partner relationships.

Readers often mention how grounded her characters feel. Even when a hero is a king, a general, or a dragon shifter, they still worry about family, carry old wounds, and fumble their way through conversations. Her heroines may be scared or outmatched at first, yet they ask sharp questions, set boundaries, and insist on being equal partners.

When she is not at her desk, she enjoys long walks in the forests and mountains near her home, reading widely across genres, and spending time with her family and animals. The quiet of those days tends to feed the next round of 'what if' questions, which usually turn into another book.

Today she is a USA Today bestselling author with readers around the world, but she still talks to them like friends. Whether it is through a newsletter note, a signing line, or a brief conversation online, she likes hearing which characters people connected with most and what parts of her galaxies they hope to visit again.

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 18 MK Eidem Books in Order (Complete List 2026)