There should be only two cookbooks: Binging With Babish and Eat What You Watch.
Eat What You Watch came first, and Babish has said before that it's mostly a coffee table kind of cookbook - it looks amazing and is meant to be flipped through, but it's not really meant as an actual full-fledge recipe book. Binging With Babish is the opposite: yes it has some cool tidbits about the show and Andrew, but it's mostly an instructional book on how to recreate the first 100 recipes.
I've only got the BwB cookbook so I'm only going off of what I've read for Eat What You Watch. Personally I'm a huge fan of the cookbook if you're actually looking to recreate the recipes of the show
Recipe for it in the Binging with Babish cookbook...the sauce is what makes it (theres other Seinfeld/Curb related recipes in there as well by the way)
Honestly both of his books are so beautiful it’s worth it to get them.
ETA: it’s over 50% off on Amazon right now so now is a great time to pick it up: https://www.amazon.com/dp/1328589897/ref=cm_sw_r_cp_api_fabc_UmgTFbW5VG66Y
There's two books out so far, I'd imagine another will come eventually. =)
https://smile.amazon.com/Binging-Babish-Recipes-Recreated-Favorite/dp/1328589897
https://smile.amazon.com/Eat-What-You-Watch-Cookbook/dp/0998739952
I've got an Amazon list that I try my hardest to keep fleshed out for easy gift-giving.
Currently I've got
And always looking for suggestions for more things.