Exactly, depending on the world/kingdom/government you’d find yourself in, the local history books may be propaganda.

The idea traveling to a other demension and reading something that is dramatically different there your dimensions history only to later find out, no, that guy was just a moron, and now you look like one too, is very funny to me.

If your only goal is to find out the current culture of the place you're currently in, the biased one would likely be better.

what if all they have are libraries, the concept of one not being public is alien to them

I always thought the library near where I grew up would be a near ideal environment during a zombie apocalypse. It was a repository of knowledge and entertainment, of course; it was in a fairly small city, meaning that while there might be more zombies than in the countryside, there wouldn't be as many as in a large city - but there would be resources nearby; there was an armory nearby; there was only one relatively-easily-fortified entrance (to my knowledge); and it had a fully enclosed courtyard which, while it ended up being kind of depressing in real life, could give you a garden in a theoretical apocalypse.

The first and last were most of what I considered when I was a kid.

I can think of 77 Million who haven't.

"Weird, I could have sworn the Nazis lost WWII"

Or Berenstain, like in this dimension.

That it's an alternate dimension doesn't mean that the language isn't semiinteligible

How do you read anything in a dimension where oral tradition rules and writing isn’t even a thing.

See, this is why the history book is important. Yeah in your dimension they have sex with the food and have to physically scrub the water clean, but here in our dimension for the most part people eat the food and just make sure the water is clean by boiling.

An history book and common sense can help you get a place to stay.

funny that Heinlein is mentioned. dude was a libertarian Nazi propagandist.

take all his works with a pound of salt.

Easy. Just look for how to spell "Berenstain Bears".

Sorry the dimension you've been transported to has laws of physics that don't allow water to exist.

Which means you've got a few precious seconds to get yourself home before you violently erupt as your water molecules each individually break apart in to hydrazine.

The gambler!