
My avg. rating
5/5
·
LOVED IT!
Avg. spice level
4/5
·
Explicit scenes
Jump to
Book Review: I.S.S.
by M. Sinclair · 5 books · Main Story Complete, Ongoing Extras
Explicit scenes
Reverse Harem (without MM) romance
18+
Intended for mature audiences
Series details
Total books
5 (as of June 3, 2026)
Series status
Main Story Complete, Ongoing Extras
Author
All books in the series are written by the same author
What this series is about
Reverse harem monster romance: Abandoned at ISS—an institute for nightmares—Arabella grows up loving her nightmares instead of fearing them. Now, at twenty-four, she’s at a crossroads: confront her feelings for them or walk away, all amid rescue missions and attacks on the Institute.
World setting
Genres
Relationship tropes
Rating & review
My rating
5/5
·
LOVED IT!
Books I've read
3 of 5
Have I finished it?
No
The romance
Steam level
4
/5
Explicit scenes
Relationship type
Reverse Harem (without MM)
Couple consistency
Harem grows over time
Relationship tropes
Reading order
Do I need to read the books in order?
Yes – Must be read in order
Books I've reviewed from this series
Soothing Nightmares
(Book #1)
Reverse harem monster romance: Abandoned at ISS—an institute for nightmares—Arabella grows up loving her nightmares instead of fearing them. Now, at twenty-four, she’s at a crossroads: confront her feelings for them or walk away, all amid rescue missions and attacks on the Institute.
Defending Nightmares
(Book #2)
Reverse harem monster romance: Arabella leaves the safety of ISS for a mission beyond its walls—with her possessive nightmares in tow.
Read

Loving Nightmares
I would go to war to protect the nightmares I loved.War was at our doorstep threatening to kill my father, and with him were enough humans that if battle ensued, it would make national headlines. Ones that would only further divide and enhance the hatred between humans and nightmares.War had to be defeated, I just…
Read

Defeating Nightmares
5
/5
I would remind the humans why they feared the dark…and why I loved it. Our home is under threat, and I was across the country being threatened by a god terror in the Oceanic Forest. To say our situation is far from ideal is an understatement… So when Hate threatens my mates, something is unleashed…
Series similar to I.S.S.
Icon guide:
Very popular
Popular
Favorite
Underrated gem
Rating
Spice level
HOT book
No similar series added yet! Check back soon — this list is always growing.

Oh hey! I’m Becky, book hugger and the one-woman team behind RBM. I hope my reviews help you find a story you’ll love.
Why This Blog ExistsRBM Steam, Ratings & Tags Explained


