It takes a while to hit its stride, which in a short book is not a good thing. Skip the first two stories though, and it's quite amusing and clever. If you really want to save time, skip the others and go straight to the last story: "Mr Fraser, The Undead Substitute Teacher". A zombie arrives to tea...
I didn't laugh, and they weren't clever. They were just children's stories with death added in to make them "inappropriate." I only really liked (and only mildly) the one about the exchange student, but I found some of the racist remarks troubling (I know that it was supposed to be a "commentary" on...