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The Arrangement

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Five million dollars. One year. One baby. No feelings.

Finn Morrow is drowning. His brother's debt is spiraling, his library job barely covers rent, and he's running out of options. So when billionaire Sebastian Coldwell announces he's looking for an omega to carry his heir—no strings attached—Finn does the math. One year. One baby. Enough money to save his brother and walk away free.

Simple. Clinical. Emotionless.

Except Sebastian isn't cold. He's devastating—dark eyes, rare smiles, and a protective streak that makes Finn forget this is just a transaction. And Finn? Finn is supposed to hand over the baby and disappear. He's not supposed to fall in love with the man. Or the life. Or the child growing inside him.

But when Finn's past comes crashing back with a betrayal he never saw coming, Sebastian reveals exactly what he's capable of when someone threatens what's his.

Some men write checks.

Sebastian Coldwell writes names off lists.

The Arrangement is a standalone dark billionaire omegaverse romance featuring a protective alpha who will burn down the world for his family, an omega with a sharp tongue and a weakness for carbs, and enough heat to melt your e-reader. HEA guaranteed.

355 pages, Kindle Edition

Published February 24, 2026

122 people are currently reading
50 people want to read

About the author

River Thorne

14 books4 followers

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5 stars
160 (44%)
4 stars
122 (33%)
3 stars
62 (17%)
2 stars
17 (4%)
1 star
0 (0%)
Displaying 1 - 15 of 15 reviews
Profile Image for Rachelle.
59 reviews1 follower
May 3, 2026
- The blurb calls this a dark romance. It’s not. There’s some angst and conflict, but I wouldn’t call this dark.
- I realize this was an arrangement for a baby, but I didn’t like how often Finn’s worth was linked to said baby.
- I wasn’t a fan of how the Theo situation played out.
- The writing was so repetitive.
- The fact that they both acted like the contract was this big hindrance, when it obviously wasn’t, got old real quick.
- The MCs were likable and had good chemistry.
This entire review has been hidden because of spoilers.
Profile Image for ~BookNeeds~.
826 reviews17 followers
April 27, 2026
One of the best, most endearing MPreg books I’ve ever read. I loved it sooo much. New to me author and so glad I came across this book.
3 reviews
April 19, 2026
An okay story

The plot was good, but there were several glaring plot holes. If you want a little fluffy insta-love story, with mild family drama this is it.
82 reviews
April 11, 2026
not dark as claimed

I like the story but it wasn’t dark as claimed in the description. Another thing, the story was predictable, cliché . But entertaining enough.
Profile Image for Alonna Irizarry.
758 reviews9 followers
April 30, 2026
Omegaverse/ MM/ age gap/ knotting/ found family/ billionaire romance/ pregnancy/ touch him and die/ forced proximity/ HEA

Trigger warning: death of a loved one/ cheating(not MCs)/ manipulation/ alcoholism/ betrayal/ kidnapping/ attempted murder/ assault/ blackmail

I wish this wasn’t so repetitive. I think the MMC mentioned that he was 42 a minimum of 4 times. Also, I know there’s another book after this but that feels unnecessary. Why couldn’t the MCs just get a finished HEA with this book? Sure, some things were unresolved but I honestly don’t care enough to justify reading an entire book about them.
Profile Image for Fanykuroi (Sapphire Book Lover9095).
113 reviews8 followers
April 30, 2026
Fluff Galore!

When I say I love omegaverse, this is what I mean. A book filled with fluff, with heat and nesting and knotting and mpreg and all the protective streak an alpha has over their omega. Ugh my heart is so full!

And don’t get me started on Sassy Finn confronting the wholeass family like it was a bad tv show. I was so here for it.

There are some loose ends (I’m assuming the author did it on purpose if another book is coming) so I can’t wait to see what River does with that.

A definite must read if you want a good omegaverse book, with mid pacing, arrange situationship with a he fall first and hard tropes.
Profile Image for Becky A.
2,096 reviews
March 21, 2026
"The Arrangement" received FOUR stars.

The novel gained *stars* for these items:

* gained for: "The book caught my interest in the first five pages."

* gained for: "I thought about the book when I was forced to set it down and re-enter society."

* gained for: "There were no info dumps, poor writing, or copy edit mistakes that jerked me out of the story."

* gained for: "I was sad when the book ended. I wanted more!"

The novel failed to gain stars for this item:

NO STAR gained for: "That's it. I'm hooked on this author. I will automatically try anything she/he/they writes."

Profile Image for Heather Walker.
524 reviews3 followers
March 7, 2026
Good read.

Overall this is a good read, there are some plot holes that bring the rating down one star.
I wished the story wasnt 50% pre pregnancy and 1 % post. The ending felt very rushed and would have been better with more chapters or a decent length epilogue.
However I really liked the characters and the storyline.
Spice was minimal.
Angst minimal
HEA yes
.
Profile Image for Kelly Gress.
705 reviews3 followers
March 7, 2026
Interesting Story

I enjoyed the story and wasn't ready for it to end. I I wanted to see what happened to Theo. I wanted to see more life after baby. Overall, I enjoyed the author's writing style and read the story in one sitting.
16 reviews
May 3, 2026
Omegaverse-lite. Heats but no barks, packs, scent-matches, or sheltered prince/princess omegas. Straight forward, quick, easy read where characters speak their minds. No miscommunication here. Things happen quickly because of the page count. Checking out book 2.
226 reviews1 follower
May 4, 2026
Loved this story

This was an emotional roller coaster. From the beginning to the very end I was sucked into the story and couldn’t put it down. Fortunately I know that the next chapter is available and I’m going to read it now. Absolutely recommended.
30 reviews
April 19, 2026
Low angst, nice characters, the pacing was mid
1 review
April 26, 2026
This was a great read the plot was amazing we never know we need
32 reviews
May 5, 2026
Sooo good

I absolutely loved reading this book! Ice already purchased then next installation!!! It's perfect highly recommend . Totally more than 5 stars
71 reviews
May 6, 2026
Ain't. Love grand 😊

If you ain't crying ant the end of this book, then you have no heart beating in your chest. A wonderful tense romantic dangerous and HEA.
Displaying 1 - 15 of 15 reviews