The 1964 World’s Fair was a two-year event centered on peace, understanding, and apparently, pop-up books. Released in 1963, Peter and Wendy See the New York World’s Fair shows two children, Peter and Wendy, – no relation to Peter Pan or Wendy Darling – enjoying the sights of the fair, including the famed Sinclair Oil “Dinoland” and the Unisphere, a sculpture that many will remember from the film Men in Black.
Mary Pillsbury, ill. Fred Ottenheimer, Peter and Wendy See the New York World’s Fair: In Pop-Up Action Pictures (New York: Spertus Publishing Company, [1963]
Travel Between The Pages 
I went to the Worlds Far many times and climbed the fence at night a couple of times to glean coins form the fountains. Never saw a book like this though.