I think you won't surprise anyone with Flashlight or Silverlight — but what about HTML5? Armed with the
Rick Barraza article about turning pages on Silverlight , I made quite a nice listak in the form of a jQuery plugin.

The project is available under the MIT license at
jpageflipper.codeplex.com The current version is 0.9, while there are not enough shadows and small buns, as well as the ability to put several leaflets per page.
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The demo is available at
dl.dropbox.com/u/7235888/index.htmlAnd, accordingly, since this is HTML5, in some browsers incorrect work is possible (well, or its complete absence). Works in Chrome 4+, Firefox 3.5+, Opera 9.6+, Safari 4+
UPD: posted a demo on dropbox.com on a tip
otaqsun