Well, I'm on vacation in the lovely Napa Valley of California, but I brought a few pictures just in case there was some down time.
one more triplane - the hardcover edition of
They Fought for the Sky, by John T. McCoy
and the counterparts to the British Fighter unit books, these two also by Michael Roffe. They're front and back, so put back on the left and view side by side for the full effect:
Dan