69 books in five years, then 10,000 in one

Karl Otto Kristoffersen
2 days ago
3 min read

In five years I sold 69 books. In the year that followed I sold more than 10,000. My writing did not suddenly get ten (thousand) times better. What changed was what I chose to publish, how I priced it, and how closely I watched what readers actually did instead of what I hoped they would do.

That gap between the two numbers is why I wrote I Just Sold 10K Books and You Can Too. People kept asking me how the jump happened, and I wanted to do a proper analysis, including the parts that are not flattering.

The first 69 were tuition

Kvad, my Norwegian Viking role-playing game, took five years to finish, and I learned the writing process the slow way. Silverheart took about a year and a half on a budget of 400 hours, because by then I could estimate how long every part of the work actually takes and plan it instead of hoping my way through.

Those years taught me to finish things. They did not teach me to sell, because I was not paying attention to selling. I was making one big thing at a time and waiting to see what happened to it. A big book takes years and gives you exactly one shot at learning something, and nothing about that loop tells you what a reader wants next.

Small, useful, and under five dollars

The West Marches Campaign Playstyle Guidebook happened because I wanted that book for my own table in 2024 and could not find it. So I wrote the thing I needed, priced it low, and put it out. It became my best-selling title, past Mithral at 3,600 copies and counting, with 4.9 out of 5 from 26 reviews on Amazon. Low price was never a discount strategy. At $4.99 a reader can buy on a hunch, and if that hunch pays off in value, the next book is not a hunch at all.

The number that changed how I think

8,882 people have downloaded something of mine, and 4,650 of them have paid for it. The rest came in through a free title and have not bought anything yet. Among the ones who do pay, 21.7 percent come back for another book, and lifetime value sits at $5.49.

Some readers work through that shelf one book at a time. Others skip the waiting and take most of it at once through the Complete Digital Bundle, which means my repeat rate understates how many people end up with more than one of my books. Both roads lead to the same place. When the Hexcrawl Worldbuilding Design Guidebook reached number one on DriveThruRPG's Most Popular under $5 list, the rest of the shelf moved with it. That is the compounding nobody mentions when they tell you to go write your masterpiece.

Quality is the only thing holding it up

Volume without quality is just noise that annoys people. Across 74 reviews my average is 4.73, and the Hexcrawl books sit at 4.90. That is the real asset. It is the reason a reader who liked one book trusts the next one enough to click.

What I would tell myself in year one

Write the smallest useful book you can finish. Price it so a stranger can take a chance on it. Then write the next one, and make it good enough that the same stranger comes back, or decides to take the whole shelf at once. That is the whole method, and July 2026 became my biggest month ever because I finally followed it.