HBO’s “Game of Thrones” naturally has to make some changes from the books when adapting them to a television show. That’s the nature of the medium.

Business Insider has previously compiled the biggest plot changes from the books to the show, including how Tyrion Lannister looks quite different on the small screen.

However, as July and the hotly anticipated season seven approach, we’ve also rounded up 30 differences (in no particular order) that you might not have noticed unless you’ve really read the books carefully.

Warning: There are book and show spoilers in this post so read at your own risk.

Here are the differences between the “Game of Thrones” books and show you may not have noticed:

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