Margaret is really worried about her father. Ever since he lost his job, he spends all of his time locked in the basement. What is going on down there? He is just doing a little plant testing... harmless really. When Dad does come up for air, he acts strange and is only getting stranger. In fact, he's not acting like himself at all. All he ever says is: "Stay out of the basement!" So when her Mom goes out of town, Margaret's worry turns to fear. Especially when she and her brother discover the root of the problem.
Goosebumps
When her mother leaves town to visit a sick relative, Margaret's concern for her father grows. She does not know what he is working on in the basement and cannot figure out why his behavior has changed.
