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Okay nerd you have exactly 10 seconds to post your favorite strategy guide of all time.
(archive.org)
Bonus points if it's actually more helpful than GameFAQs. Capeesh?
The guide that was packaged with Earthbound back in the day was always a favorite. It was laid out like a travel guide, and had a lot of pictures of the clay models they based the enemy sprites on.
https://tiredoldhack.com/wp-content/uploads/2019/05/earthbound-strategy-guide.pdf
Pretty sure my friend from middle school had this guide with his EB copy.