Where do I go on the new site to enter my Amazon pre-order number for the new food52 cookbook?

this is where it was, don't know if it's still there with the changes:

www.food52.com/blog/2526_update_celebrate_yourselves

You have to go the food52 post that announced the parties and cookbook and if you scroll down about halfway through it tells you that you have to click "here" and you can register the book purchase. I have to figure out how to find the post wanted to include a link here. Sorry, but if you can find the original post you can see where to register.