1. The Last Wish: Introducing the Witcher (2019)
2. Sword of Destiny (2015)
3. Blood of Elves (2018)
5. Baptism of Fire (2014)
6. The Tower of Swallows (2016)
7. The Lady of the Lake (2017)
8. Season of Storms (2018)
Reading the 8th book, Season of Storms, is optional unless you fully want to understand The Witcher universe. While it was published last, we recommend reading it after "Sword of Destiny" so it would come 3rd in the reading order.