although I plan to do it again. I still want better card stock and better craftsmanship. Here's the book, closed.
The closure, on the left, is fragile, even worse than I anticipated, so I want to figure out another way to do it.
Back view:
That's the Allegheny River at the back end of the tunnel. Here is the wrapper opened.
The same closure works this way, also, finishing the back of the book when it is open. A view from above:
Photographing this thing is a nightmare. I no longer have proper backdrops or the lighting. Here is the front of the open book with the wrapper loosely encircling it.
With the two flaps opened you can look into the book. Here you can see four or five of the ten pages.
Unlike some of the commercial tunnel books much of this one has to be seen from above and as with many other books, each page, or group of pages, has to be seen serially. A few more pictures:
Here is why I want to do it again. Each of the pages should be flat, no curves, with sharp creases and no gaps.
100 Books Before I Die 