They will be bound with an Asian method I have used before (very classy), and the artwork in them will all be printed on archival paper (no fading or discoloration for 70 years).
Good - yes?
Get on the Jolly Wagon. Get a copy of "A List of Broken Things." And as far as myself - any concerns are unfounded. I wasn't there and you can't prove anything. And I won't even say, "Let me be clear..."
Trust the Jolly.