You can read free samples for the first couple books on Google Books and Amazon. It'll give you the first ~40 pages free. That should be enough for you to tell if you like the writing style or not.
That said, if you like the series you really should be supporting the author, translator, editors, by purchasing the books. So to encourage the publisher to not drop the series.
https://www.amazon.ca/dp/B09RJYLJR9?binding=kindle\_edition&ref=dbs\_dp\_rwt\_sb\_pc\_tukn