Honestly, when I bought the book, I was doubtful that a tribute collection would be worth reading, when I could be reading Peanuts itself instead. I bought it purely for one comic by one of my favorite webcomic creators (Shaenon K. Garrity) after she posted the first page of her contribution, because I had to know the end of that little story. I put off buying it for a long time (forgetting that, duh, I could have checked it out of the library!, but I am glad I bought my own copy).
Surprise, I fell in love with most of the tribute comics, and reading them all was a joy. And not just the comics by creators I already knew.
There is a good mix of comics about being a fan of Peanuts, comics about Schulz, and comics that are original stories with the Peanuts characters, all in a range of styles.
I was impressed with the anthology order as well; reading front-to-back is recommended.
Peanuts is a weirdly unique comic in that so much fanfic actually feels like the real Schulz characters, even when they're in a parody or a definitely non-canon episode. It's more than just adhering to the strip's tropes. Especially in fiction that's only had creator, characters are very much part of their creator, and copying is hard. As all creators put themselves into their characters, fanfiction & parody characters embody both the original and fan creators to a point where they are distinguishable from the canon work. For fanfiction & parody, and endless works with many creators, that variety and fresh outlook is the goal and the attraction. I think that Peanuts is different because we all know the characters so well, and we see ourselves in them so easily, that they embody us, and so when we write and put ourselves into the story, they go in as well.