What Am I Reading for My 2010 New/Old Reading Challenge?

My choice for my next "Old Favorite" read is The Ogre Downstairs , by Diana Wynne Jones. I can't remember how long ago I read this one...it's been that long!...but it's sitting on my keeper shelf, so I figure it's time to read it again and find out why!

Back cover blurb:


Chemical Warfare?
Casper, Johnny, and Gwinny are sure they'll never be happy again when their mother marries Jack, who is as mean as an ogre. To make matters worse, two obnoxious stepbrothers, Malcolm and Douglas, move in as...