What is the best prep book for SAT Subject test World History?

I have read some threads on this, and couldn’t decide which book to buy. Both PR’s and Barron’s are strongly recommended, while I have found almost zero info on Kaplan’s book. Which book have you used? How well did you score?

I have a very good knowledge of world history and I did well on a practice test I took. However, I am aiming for an 800 (the curve is pretty generous, so I can miss some questions and still get a perfect score).

I am not from the US so I haven’t taken any AP world history classes.

What book do you recommend and why? Thanks!

Bump bump

I was told that reading the AP Barron’s World History book is enough for the SAT II, but I’m not that sure tbh. (Taking it in June)

I have the Barron’s World History book and haven’t read it yet. I read the PR book for US History though and that was pretty good. It’s basically a book with information you read and do questions based on what you read after.