Print-on-Demand. The solution to out-of-print classic science texts?

Saw this article in the Philadelphia Inquirer:

Posted on Tue, Mar. 23, 2004
The latest word.
Print-on-demand lets aspiring authors order one copy of their work or
thousands. It's a new wave - or tsunami.
By Kathy Boccella
Inquirer Staff Writer
http://www.philly.com/mld/philly/8252240.htm

In the article are described the new presses for which the per-book
printing costs are the same whether one book is ordered or 1,000.
These are used by people who want to self-publish. It requires an
initial outlay in the range of $500. This could be covered by a class
who wanted to use the book, at a price comparable to other textbooks
nowadays.
Here's a review of some of the POD publishers:

Start the Presses
By*Troy Dreier
May 27, 2003
http://www.pcmag.com/article2/0,1759,1043174,00.asp


Bob Clark