It is hard to find good strategy guides for Madden NFL 23. The best strategy guides for Madden usually include HD videos, text breakdowns, and lots of details on when and how to run each play.
The best place to get Madden 23 strategy guides is Madden School. They are are widely regarded as the leader in tips and strategies within the Madden community and this is the 15th Madden game they have covered.
Their guides usually include the best tips in each game and are broken down in an easy to understand way for both casual gamers and more competitive tournament players.
The most important thing to understand when you look for a Madden 23 strategy guide or ebook, is to only go with a place that has a good reputation.
There are a lot of low quality guides out there so make sure you go with a reputable website. Otherwise you could end up buying something with just a list of plays and nothing else. You want to find pros that will break down every portion of the game for you so you learn when, why, and how to call plays.
Good luck in your quest to dominate in Madden 23!