Ogre Downstairs

The Ogre Downstairs - Diana Wynne Jones This is a story about some children who have to deal with the fact that their two sets of parents have married. They live in a too-small house, the father isn't used to children and the stresses are beginning to show. When two of the boys get chemistry sets things take a strange turn as the chemistry sets turn out to be magical.It's an interesting blend of magical and mundane and the children felt quite real. Fun and enjoyable. The beginning felt a little slow and almost lost me though but once I was a few chapters in things improved.