To my amazement, miraculously, the lid suddenly loosened and slid all the way open, revealing its hidden cargo: A stack of small paper booklets. Dozens and dozens of them. Booklets made of ordinary sheets of white writing paper, folded in half, and hand-stitched along the spine. Booklets in remarkably pristine condition, all covered in a small, neat handwriting that I instantly recognized. The hair stood up on the back of my neck. I could hardly breathe.