. . .is worth two on the web.  It’s a beautifully done book, exquisitely illustrated by Eugene Grasset in the Art Nouveau style, written in French, alas, but don’t let that stop you from going to the website and checking it out.  The book has 250 pages and, while the website only showcases selected pages, you can get the entire book in PDF format on CD.  Here’s a little nibble for you: