Did I mention that I love popup books? I think I did. Peter, my husband, and I were able to finally see the Paper Engineering exhibit at the National Museum of American Art before it closed. I mentioned it in a recent post. I was fascinated with the history of popups and the terminology. Peter had his Pavlov Dog “tired” expression on the minute that we entered the museum…..(He wasn’t that way with Chuck Close, however.) I don’t think I’ll take him to If You could Read my Pins…. I bought the Marion Bataille book, ABCD, because I thought it was the most contemporary, conversational piece. The hologram cover, just…