Yeah, I grew up on these stories as well. They were all pretty great and I adore that artwork. It's so rich and detailed while also leaving things to the imagination.
My favorite stories were Cold As Clay... the one about a dead lover coming back to be with his fiance. I also liked the one you mentioned Lazy Boy, the Bed by the Window. That was a pretty interesting tale.
Here's some more photos of the artwork by Stephen Gammell: