Prompt it, then season it back to you.Your AI draft is fine. That is the problem.You paste the prompt, you get a draft back, and it reads clean. Grammatical. Confident. Completely anonymous. It sounds like every other thing the machine has ever written, which means it sounds like nobody, which means it does not sound like you.That gap has a name. The model writes the average of everything it ever read, and the average has no fingerprints. No odd word you would actually pick. No sentence that runs long because you got excited. No joke that only half lands. The draft is competent and empty, and you can feel it, even when you cannot say why.This book teaches you to say why, then fix it.The promise: keep your voice, in two halvesThere are two jobs here, and most advice teaches neither well.The first job is prompting so fewer machine habits show up at all. You write a short voice profile a model can actually aim for, then prompt in a way that lands the draft closer to you on the first pass. That half saves you work.The second job is the edit. You learn to spot the tells on sight and remove the ones that slip through, in order, until the piece reads like a person wrote it. That half makes the work yours.Prompt so less slop appears. Then season the draft back to you. By the last page you can do both without re-reading a thing.What is insideThe book runs about 120 pages and ships as EPUB and PDF. It teaches the thinking. Four companion tools turn the thinking into a habit you can run on a Tuesday.The book walks you from why the machine sounds like everyone, through the full catalogue of tells, into prompting and the editing pass, and out to the long game of staying human as you keep working alongside AI.The Slop Tells checklist carries 19 named AI writing tells, each with one line to spot it and one line to fix it. Throat-clearing openers. Business jargon. False contrasts. The em dash the model glues everything together with. You run it against any draft and find what went wrong.The Voice Profile worksheet captures your voice in a short block you fill in once and paste into any model, so every draft starts with you in mind instead of the average of the internet.The Editing Pass checklist is the step-by-step human-back edit. Same moves, same order, every time, so you are never staring at a draft wondering where to start.The before-and-after gallery is the reference you flip to when a fix will not come. Real AI drafts on the left, genuinely human rewrites on the right.Here is the part that proves the method. The gallery runs on six distinct human voices, from a blunt ops lead to a warm community host to a deadpan engineer to a playful creator. Watch the same tells fall away from all six and watch all six stay completely different. That is the whole argument made visible. One method, six voices kept intact, no house style sanding anyone down.Who it is forYou write things people read. Emails that have to land. Posts a stranger will judge in one line. Reports someone skims for the decision. Newsletters, essays, the message you rewrite four times before you send it.You use AI for some of that, or you are about to, and you do not want to hand your voice to a machine that would happily flatten it.That worry is the only entry requirement. You do not need to write for a living. You do not need to know how a model works. Knowledge workers, marketers, founders, students, creators, anyone who has read an AI draft and thought this is fine, but it is not me is in the right place. No jargon ahead, no prerequisites, no setup.What makes this differentMost "humanize your AI" advice is a banned-words list. Delete these forty phrases and call it a day. That treats the symptom and flattens you in the bargain, swapping the machine's uniform for a slightly different one.This book is built on two things a blocklist never gives you.One, a real anti-slop system. The catalogue of 19 tells is a named, teachable taxonomy, adapted from the MIT-licensed stop-slop system by Hardik Pandya, with full credit kept in the book. Every tell comes with how to spot it and how to fix it without losing your voice. The fix is always a move you make, never a word you ban.Two, prompting fluency. The other half of the skill, so the draft arrives cleaner before you ever edit. Most advice skips this entirely and starts at cleanup. You start one step earlier.The system plus the prompting, both halves, with working tools that ship in the box. That is the book.What this is notIt is not a banned-words list sold as the whole answer. You will not get a wall of forbidden phrases and a pat on the back. The goal is your voice, not a new set of rules to obey.It is not a bag of model-specific tricks that stop working next month. Everything here is plain instruction and real examples. It holds when the model updates, because it was never about the model.It is not a ghost-writing service. Nobody writes for you. The voice you walk away with is your own, by design, because a voice someone else handed you is just slop with a nicer label.About the authorMathieu Kessler founded NerdyChefs.ai and Kesslernity. He writes, mostly, about one stubborn problem: how to work with AI without losing the human part, the part that makes the writing yours. He spends his days helping teams use these tools well, which mostly means helping them not hand their voice to a machine. This book is the craft version of that work, written down so you can run it yourself.FAQWhat formats do I get?EPUB and PDF, both included, about 120 pages. The four companion tools come with it.Do I need a specific AI tool to use this?No. The method works with whatever you already use to write. The tells are the same across models, and the voice profile pastes into any of them.Will this go stale when the models update?No. There are zero model-specific tricks here. The book teaches you to recognize the shape of an averaged sentence and put yourself back in, which holds no matter which model produced the draft.Is this just a prompt pack?No. It is a craft book about taste. There are prompting moves inside, but the heart of it is learning to hear when a sentence stops sounding like a person and knowing what to do about it. A prompt pack hands you fish. This teaches the part you keep.Is this just a banned-words list?No, and that is the point. A blocklist removes words and flattens you. This gives you 19 named tells with a spot-and-fix for each, plus the prompting half, plus tools. You end up sounding more like yourself, not less.Who is it for if I am not a "writer"?Anyone who writes with AI and does not want to sound like it. No prerequisites, no jargon. If you can tell when a sentence stops sounding human, you have the only instrument the book trains.ClosingYour draft sounds like the machine because the machine wrote the average of everything. The fix is to put yourself back in, and that is a skill you can learn in an afternoon and keep for good.Grab the free Slop Tells checklist first if you want to feel the method on your own draft. Then come back for the book and learn both halves.Stay curious, stay clever.Licensed, not sold. Full License & Terms apply (ref KESS-LIC-2026-001). By purchasing you agree to the version in force on your purchase date.Questions before you buy, or support after? Contact mathieu@kesslernity.com.Terms of Service · Privacy Policy