U is for...

L Dubois

Feb 2026 · Checklist Book 21 · Farm Boy Press

About this ebook

Mara is capable, confident—and deeply sexually submissive.

The problem? Dominant men never look past her self-assured exterior. They see control. They don’t see the woman who aches to surrender.

She’s tired of being misunderstood… and unseen.

When Las Palmas assigns her the letter “U”, and the glowering Master Mercer, she dares to hope the structured checklist game will finally guarantee what she needs. Until she sees their short, uninspired list. Mercer seems unimpressed—with the game and with her.

Disappointed, Mara does what she always does when she’s vulnerable: takes control. She proposes efficient, detached ways to complete the game requirements with minimal contact.

In that moment, she’s anything but submissive.

And that’s when Mercer truly looks at her.

He suggests a new “U” item. One not on the checklist.

Unrestrained.

No scripted scene. No careful negotiations. Just raw chemistry and the dangerous thrill of surrender without structure.

A scene without restraints can be intoxicating. It can also be reckless.

Because Mercer doesn’t just accept her submission—he demands it, pushing her to yield in ways she’s never dared to imagine.

And once she lets go, there may be no going back.

Ratings and reviews

If you were like me, the letter U, what could that become in bdsm to make a theme for the night. It was very interesting to find out what it was and also how many other things it also could have been with that letter. The author gets lots of points for her inventiveness on that. There is obviously a lot of s_x scenes in the book, but the best part for me is how Cole and Mara bonded. They were strangers and were put together for the event, they seemed to have a connection with each other

This book is a little different from others in the Checklist series because of its unrestrained and wild nature. I loved the connection that blossomed between Mara and Cole. The characters are well developed and not stereotyped or flat. Lila Dubois is a great storyteller, because even though each book shares the same premise, it never feels like you are reading the same thing over and over again. I received a free copy of this book via Booksprout and am voluntarily leaving a review.

This story is female lead POV, well written, and a fast-paced, emotional, contemporary BDSM erotica with a HFN ending between Mara, the female submissive lead, and Cole, the male dominant lead assigned to her for a club game. I enjoyed Mara’s confidence that caused her to call out suspect behaviour and actions. I appreciated Cole’s understanding of her responses and enjoyed his enthusiastic exploration of her desires to help them both understand her interest and capacity in submission.