Cover of The Poison Daughter

The Poison Daughter

by Sheila Masterson
4.6
Published Oct 3, 2025

About this book

To err is human. To avenge is Divine. Every person Harlow Carrenwell kisses dies immediately, and that’s the way she likes it. The poison-lipped youngest daughter of Lunameade’s magical founding family has used her power to annihilate their opposition. Her first husband is in the ground. Her new betrothed is next. But the merry widow has a secret. When she’s not acting as an assassin at her parents' whims, she moonlights as a vigilante for abused women in their walled-off city. Meet a man. Lure him in. Kill him with a kiss. Until one night Harlow kisses a mark and he doesn’t die. Worse, her invincible partner in passion is her new betrothed, Henry Havenwood, and now he knows about her double life. Instead of selling her out and bringing the rival families to blows, he does something much more sinister—whisks her away to wed in his wild mountain fort. Harlow doesn’t trust Henry, but the only way to protect her family and the city of Lunameade is to figure out what his family is planning. Cursed with a husband she can’t kill and trapped in a fort miles of vampire-infested woods from home, Harlow’s survival requires her to do the impossible: Make the man who knows she’s a killer fall in love with her anyway. The Poison Daughter is a standalone dark fantasy romance that combines the vigilante justice for abusive men of Promising Young Woman with a romantasy arranged marriage and a dash of vampires.

Available Formats

Paperback: $9.99 Kindle: $0.00

What readers are saying

Stacyela

Standalone Romantasy of the Year Contender

"The Poison Daughter is, without question, one of the best romantasy standalones I have ever read and I don't say that lightly. Masterson constructs this story in layers, and I mean layers. Every time I thought I was finally getting an answer, the narrative peeled back to reveal yet another question lurking beneath. I'm someone who almost always has theories running in the background as I read, picking up threads, anticipating reveals, and this book completely dismantled that habit. The mystery woven throughout is so expertly crafted that I had zero ability to predict where anything was heading. Genuinely, refreshingly, delightfully stumped the entire time. Can we also talk about how good it is to read about characters in their 30s? Harlow and Henry aren't wide-eyed newcomers stumbling into their feelings. They are emotionally complex, carrying real damage, and they've turned that trauma into something fierce and powerful. They're both undeniably badass in a way that only comes from people who've been through it and chose to keep moving forward. And the banter. Chef's kiss. Henry and Harlow have the kind of electric, witty dynamic that makes you slow down just to savor the dialogue. It never feels forced and it crackles because these two characters are so well developed that every exchange feels completely natural. This is the kind of book you press into someone's hands and say: "just trust me." ["

May 19, 2026 Verified Purchase
Val

Wow!!

"Wow! I had no idea what to expect with this book, as I jumped on the bandwagon to read it. Harlow uses her poison kiss to kill men who are abusive. She is the ideal vigilante. If you want the perfect dark fantasy romance standalone, this is your book! Harlow's family is at the top of the magic wealth food chain. Although, they don't know everything about her skills. They also use her as a pawn in their politics. I love her backbone! Secrets are favored and manipulation runs rampant the entire book. Watch your back! Whew, the door to the spice is WIDE open! It is definitely not closed! While the world building can feel a little slow at times, keep pushing through. You will crave more Harlow and Henry and want to dive deeper into their story. The book could benefit from being condensed. I really enjoyed the playful back and forth between Harlow and Henry. The cat and mouse dynamic kept things interesting, and I found it fun to piece together their strategies as they tried to outsmart and outmanipulate each other. I thoroughly enjoyed the story and found myself completely absorbed in it. Please check the triggers. I will definitely be picking up another book by Sheila! "You're never alone in your pain." She's going to run from me. "Harlow, don't." My heart kicks up, blood pounding in my ears. Her eyes light with mischief. "Why not?" I grab her arm. "Don't ever run from me." For a moment, she's frozen there, her eyes far away and then, focused, and she looks murderous as she yanks her arm away. "Why?" "Because I'll chase you." "Nothing is beneath me. I will get as low and dirty as I need to in order to get what I want." "Just be sure that you're the fire and not the one being burned." "To err is human. To avenge is Divine." "But now I see that love is not letting the person you care for be caught with their guard down. Love is someone who helps you put your armor on, who knows how and when to help you take it off." ["

February 10, 2026 Verified Purchase

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