how does shelley create suspence toward the end of these chapters

At the end of Chapter 5, Viktor has a killer fever from over-work, nerves and creating a monster. He's pretty sick. I thought that would be it for him or the monster might come back and smother him with a pillow or something but no such cliff-hanger. Henry nurses him back to health and Victor decides to return to Geneva, but where is the monster???

Ohh o