Time to purge

I have a clutter issue.  I collect books, somewhat unintentionally.  In my youth, I reread books quite frequently, but these days I'm lucky to get it read the first time.  So last year, in the spirit of new beginnings, resolutions, yada, yada, I started a purging tradition whereby the local library suddenly sees a bunch of boxes dropped off under the cover of darkness.  So today it was time.  The bookshelves were groaning under the weight of double stacked shelves and the slightest vibration sent books crashing to the floor.  I've taken an additional step this year.  Shawn got me a Kindle for Christmas.  I'm hoping it will be perfect for those books I don't need to keep around.  Here's what I ended up with:

I seriously underestimated how many boxes I would need.  Here's what's left: