A feature briefly
introduced by Google Books on April Fool's Day has returned: one can request that book pages be displayed in 3-D.
Here's a fine example.
If you are the sort of person who keeps red-cyan anaglyphic glasses around, you will observe that Google gives a gentle curve to the pages, like a real book lying on a table.
I wish Joan Eslinger had lived to see this. As a stereophotography buff, she would have been tickled.
As
Google's 29 June announcement explains, to view a book in 3-D, incorporate the parameter "&edge=3d" into your book URL. (If there is an octothorpe (#) in the URL, this parameter must be placed somewhere to the left of the octothorpe.)
You're welcome.