The April 2009 Booknotes has been updated with more information and some formating corrections on the links.  

It can be downloaded at http://passionateink.org/pibn/BooknotesVol4No04.pdf  

Or, to download directly from the PI Booknotes Yahoo group, click on Files in the left side menu box from the Yahoo PassionateInk_BookNotes page.'

The latest issue is BooknotesVol4No04.pdf  in the 2009 file section - 

File may also be available by clicking here   .

If you have any problems with downloading the file, contact Ember at ember@... to get the file link emailed to you.