"The Celery Stalks at Midnight" is a children's book written by James Howe. It is the second installment in the Bunnicula series, which features a vampire rabbit. In this story, the characters, including Harold the dog and Chester the cat, face new challenges as they try to uncover the mystery surrounding a strange celery stalk that appears in their home. The plot revolves around the characters' adventures and their efforts to protect their family from potential dangers. As they navigate through humorous and spooky situations, they learn about friendship, teamwork, and the importance of facing fears together.