Spice and Wolf are based on a series of light novels by Isuna Hasekura with the same name.
Spice and Wolf, also known as Ookamkami to Koushinryou, is a Japanese anime based on the same-named light novel.
Hasekura has kept making more books in the Spice and Wolf series. The most recent one came out on September 10, 2021
Spice and Wolf Season 3 or a spin-off might not come back until the end of 2022 or the beginning of 2023 If Renewed