Have you considered contacting the museum to see if they have any plans to reprint it? Considering the absurd prices being asked ($163 - $260) for it, there must be some demand for it.
Get on the museum's auction list. Maybe a copy will turn up in their next auction.
The first edition seems to be selling for around $75, although it has about 60 fewer pages than the revised Annual 26, reports are that the photo reproduction quality in the original is much better.