Goosebumps #59 The Haunted School by R.L. Stine

Tommy Frazer's Dad just got married. Now Tommy's got a new Mom. And he's going to a new school. His new school is so big, it's easy to get lost. Which is exactly what happens.
A maze of empty classrooms. Kid's voices crying for help? 
Reader beware, you're in for a scare!
#59 in R.L. Stine's Goosebumps series. 
Loved, good condition paperback. First edition 1997.