Copy all of the OpenBeOS newsletter How-to articles, the BeBook, and anything else you can get permission from people to print, and print it all together in one book.
You can publish for FREE using Lulu.com. The retail price for the book starts at $4.53 plus $.02 cents per page, anything over that is profit, and Lulu keeps 20% of profit. Sell the book at cost ($4.53 plus $.02 cents per page) just to keep things sociable, and also make the book available from Lulu as a free PDF download.
I purchased Gobe Productive for Windows and I have a lot of print media experience. I would be willing to help put something like this together in a nicely designed package.