Denise writes:

I have heard that a playing card is just right for this job, though I have
never tried it ~~

Coated playing cards work really well; a business card will do in a pinch
(sometimes better, if it's a small book --easier to manipulate the smaller
card).



Bob Riedel
Print Matters! Used & Rare Books
http://www.abebooks.com/home/printmat