Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | Slagyster | 2013 | Rudie van Rensburg | N/A |
| 2 | Judaskus | 2015 | Rudie van Rensburg | N/A |
| 3 | Kamikaze | 2017 | Rudie van Rensburg | N/A |
| 4 | Ys | 2018 | Rudie van Rensburg | N/A |
| 5 | Medusa | 2019 | Rudie van Rensburg | N/A |
| 6 | Vloek | 2020 | Rudie van Rensburg | N/A |
| 7 | Piranha / Pirana | 2020 | Rudie van Rensburg | Buy |
| 8 | Dwelm | 2021 | Rudie van Rensburg | N/A |
| 9 | Doolhof | 2022 | Rudie van Rensburg | N/A |
| 10 | Klem | 2023 | Rudie van Rensburg | N/A |
| 11 | Kopskoot | 2024 | Rudie van Rensburg | N/A |
Rudie van Rensburg’s Kassie Kasselman series started with Slagyster in 2013 and has grown to eleven books over the following decade. The series kept a steady pace, with new entries arriving almost every year through Kopskoot in 2024.
Reading in publication order is recommended, starting with Slagyster. The books progress from Judaskus (2015) and Kamikaze (2017) through titles like Medusa (2019) and Dwelm (2021), building on returning characters across the full run.
The most recent entries are Klem (2023) and Kopskoot (2024), continuing the series after more than ten years of publication.