it was funny seeing this right below the comment saying "I _love_ buying a used book and finding a previous reader's notes in the margins. It's the greatest.".

different strokes. if you want to ensure you don't get sick from a line being crossed out, buy new.

I have a book (not authored by Edison) that Thomas Edison scribbled his comments in the margin and I was quite happy to read them! Changing my own nearly-religious belief to never write in a book,I found that it totally changed my experience with the book and the author. There are thousands of copies of any particular modern book and it's no longer my task to preserve that unique copy for after the apocalypse. I would like to imagine my children one day being able to see their father's thoughts and dialogue with authors.

That's incredibly cool actually, what was the book? Could you share anything he wrote which you found especially interesting?

If the notes are good it can be a gem. If not, then it also really bothers me.

Another way of saying it is discussing a book with some people will be really rewarding. But others you will rather prefer not to. This is just an instance of a more generalizable rule: people develop preferences regarding who they want to spend their time with.

FWIW, I switched over to the post-it note method (mostly) in the 90s for real live books. Grab a few colors and shapes. Easy to remove if you don't want to share your thoughts with someone else if the book is something you later choose to get rid of.

This is so condescending. The reason I buy used is that the overwhelming majority of books are out of print and not available digitally. Which makes the vandalism especially egregious!

It's not vandalism. Calling it that is condescending.

You can buy unmarked used books. Just check. (And if you're buying online the state of the book is expected to be in the description.)

vandalism is destruction of someone else's property. that's not what is happening when someone chooses to write in a book that they own.

You noted elsewhere I said "vandalize that wisdom." Perhaps you should think a little more about why I am using the word "vandalize" provocatively and figuratively.

It was extremely common back in the 1500/1600s, when books were far more rare and valuable to write in them. Almost every copy of these truly old books has something written in them, often by multiple people as the owners changed. That's part of the history of the book.

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