R.K. Lilley Books in Order (Updated April 10, 2026)

R.K. Lilley is easiest to read when you stop treating the catalog as one long line. She really has one core contemporary romance shelf, then a few separate series and standalones that do not need to be forced into that same continuity.

For most readers, the cleanest path is this: read Up in the Air, then Tristan & Danika, then Mr. Beautiful as the crossover-heavy payoff book. After that, branch out into Love is War, The Wild Side, and the standalones.

The order that makes the most sense

This is the reading route I would actually give a new reader.

1. In Flight (2012): Bianca and James begin the intense, high-heat relationship that put Lilley on the map and still serves as the main doorway into her catalog.
2. Mile High (2012): The same central story continues, and the emotional volatility only works properly if you come in from book one.
3. Grounded (2013): Closes the main Bianca and James arc, so this is the natural stopping point for the first trilogy.
4. Bad Things (2013): Starts Tristan and Danika’s story, which shares Lilley’s broader romance universe and becomes more satisfying once you already know the emotional temperature of her earlier work.
5. Rock Bottom (2013): Pushes that same couple into the messier middle stretch, and it is not a book to skip.
6. Lovely Trigger (2014): Finishes Tristan and Danika’s arc and belongs right before the shared-universe coda.
7. Mr. Beautiful (2014): Officially shelved as Up in the Air #4, but it works best after both major early series because it revisits characters and perspectives from across that world.
8. Breaking Him (2015): Opens the Love is War duet with Scarlett and Dante’s all-consuming, damaged connection.
9. Breaking Her (2016): Finishes that duet and should be read immediately after book one.
10. The Wild Side (2014): Starts a separate trilogy with a more mysterious, age-gap, obsession-driven setup than the earlier billionaire romances.
11. Iris (2014): Deepens the secrets and power imbalance at the center of the trilogy.
12. Dair (2014): Brings the Wild Side trilogy to its conclusion.
13. Lana (2013): A novella-length standalone that fits best once you already know you enjoy Lilley’s voice and intensity.
14. The Other Man (2015): A standalone erotic romance with its own central pairing and no need for earlier series context.
15. Arranged (2019): A separate enemies-to-lovers style standalone, best read as a later catalog sample rather than a starting point.
16. Tyrant (2023): A newer workplace romance standalone that shows the contemporary side of Lilley’s catalog is still active.
17. Teacher’s Pet (2023): Another recent standalone, separate from the older interconnected series.
18. Wings of Dusk (2023): Opens Arcane Angels, which is currently its own lane and better treated as a side branch than a core entry point.
19. Boss (The Bishop Brothers #1): A separate series starter with only one clearly visible main entry at the moment, so it is safest to treat it as optional.

If you only want the essentials

Not everyone wants the whole shelf. If you want the books that matter most to understanding R.K. Lilley’s reputation, read these first:

1. In Flight: The signature starting point.
2. Mile High: The escalation.
3. Grounded: The payoff.
4. Bad Things: The strongest second-series entry.
5. Rock Bottom: The crucial middle installment.
6. Lovely Trigger: The end of Tristan and Danika’s arc.
7. Mr. Beautiful: The shared-universe reward book.

That seven-book run is the closest thing Lilley has to a central reading experience.

How the catalog actually breaks down

The core shared-universe romances

These are the books most readers mean when they talk about “R.K. Lilley books in order.”

Up in the Air

1. In Flight (2012): The beginning of Bianca and James’s romance and still the most important first book in the bibliography.
2. Mile High (2012): Continues the same relationship arc without a reset.
3. Grounded (2013): Brings the original trilogy to its main conclusion.
4. Mr. Beautiful (2014): A later companion-style continuation with multiple familiar viewpoints, best saved until you know the wider cast.

Tristan & Danika

1. Bad Things (2013): Starts one of Lilley’s most loved couple arcs outside Bianca and James.
2. Rock Bottom (2013): The middle book and emotional crash point of the trilogy.
3. Lovely Trigger (2014): The final book and the correct place to close their story.

These two series are the closest thing Lilley has to a recommended “mainline” reading order.

The separate complete series

These books are best read straight through, but they do not need the earlier shared-universe romances first.

Love is War

1. Breaking Him (2015): Starts the Scarlett and Dante duet with a relationship built on damage, history, and compulsion.
2. Breaking Her (2016): Finishes the duet and belongs immediately after book one.

The Wild Side

1. The Wild Side (2014): A separate trilogy opener with a more secretive and destabilizing tone.
2. Iris (2014): Expands the mystery and emotional danger.
3. Dair (2014): Ends the trilogy and resolves the central obsession.

The true standalones

These can be read whenever the premise appeals.

1. Lana (2013): A novella-length standalone, good for readers who want a shorter taste of Lilley.
2. The Other Man (2015): A full standalone romance that does not ask for any series homework.
3. Arranged (2019): Another separate contemporary romance, best approached as its own thing.
4. Tyrant (2023): A newer office-based standalone.
5. Teacher’s Pet (2023): Another newer standalone and one of the clearest signs Lilley is still publishing contemporary romance outside the older big-name series.

Separate side branches

These are real parts of the bibliography, but they should be kept separate from the main romance order.

1. Wings of Dusk (2023): The first Arcane Angels book, currently a one-book fantasy/paranormal branch.
2. Boss: The first Bishop Brothers book, but with only one clearly established main entry so far.

What to do with Heretic Daughters

This is the messy shelf.

Breathing Fire began under Rebecca K. Lilley, while Crossing Fire now appears in R.K. Lilley listings as Heretic Daughters #2. That means the series exists, but it sits a little outside the neatest R.K. Lilley romance order and is best treated as a related fantasy branch rather than a core place to start.

If you want absolute completeness, the order is:

1. Breathing Fire: The start of the Heretic Daughters story under Rebecca K. Lilley.
2. Crossing Fire: The second book, later surfaced in R.K. Lilley listings.

The best starting point

There are really three good answers.

1. Start with In Flight if you want the classic R.K. Lilley experience.
2. Start with Bad Things if you want her most beloved non-Bianca couple first.
3. Start with Tyrant if you only want to sample a newer standalone without committing to an older trilogy.

For most readers, though, In Flight is still the right answer.

Latest release status

The newest clearly dated R.K. Lilley print releases I could verify are Tyrant on August 29, 2023, Teacher’s Pet on October 24, 2023, and Wings of Dusk in 2023. Her official homepage is currently still foregrounding Wings of Dusk as the featured newer release, which supports treating that book as the most visible current launch on her site.

Final recommendation

R.K. Lilley is best read in clusters, not as one giant bibliography march.

Read Up in the Air first. Move next to Tristan & Danika. Then read Mr. Beautiful once both are behind you. After that, pick your branch: Love is War for angst, The Wild Side for obsession and mystery, or the standalones for a cleaner one-book commitment.