An amazing tool become available Tuesday. I tried it today, using 'toy theatre' as the search criteria, and these were the results - a wide range of references to toy theatre including essays. Fascinating!
It's called Google Print and it's highly contraversial with many in the publishing world, including authors themselves. However, publishers are cooperating with Google, and all parties are hammering out details to make it work. It will be beneficial to everyone either financially or information-wise.