Sideways Stories from Wayside School

I read this with my kids. I have read parts of it before but I don't think I have read the whole book previously. My kids are 4 and 5 (very nearly 6). They understood much of it, but not all. They liked it more than I did. I was a bit disturbed by some of the threads of the story. I remembered it as kind of wacky. But it was more odd than wacky. I am going to have to do some more work trying to find the books that I really like for my kids. They are just not quite old enough for many of the books I really want to read them. And many of the books that are their target are similar to this, screwball. And I am not a screwball reader.