A Finnish blogger reviewed my Saga Of Darren Shan / Cirque Du Freak series last year. It wasn't an entirely gushing review, with the blogger highlighting what, in their view, were some weaknesses, but overall it was pretty upbeat. If you'd like to check it out, click on the following link -- my browser offered me the option of translating it into English, and while it was a far from perfect translation, it did the job well enough:

https://meridianliterature.blogspot.com/2023/07/darren-shan-darren-shanin-tarina-1-12.html