How to Kill a Monster
R. L. Stine
- New York Scholastic Inc. 1996
- 112 p. 20 cm.
- Phantom Valley Series Book 46 .
"An Apple paperback." "A Parachute Press book."
Gretchen and her stepbrother,Clark, hate staying at their grandparents' house. There's something odd about the upstairs room ... the one that's locked.