Invasion of the Body Squeezers Part 1 is the fourth book in the Goosebumps Series 2000 book series. It the first part of a two-part saga in the series. It was published in 1998. The cover illustration shows a Body Squeezer holding a body as a dog is trying to bite into it. This is actually half of the whole image. The other half is used as cover for the second part of the story.