Allard, Harry.

Miss Nelson is missing! / Harry Allard, James Marshall. - New York : Scholastic Inc., c1977. - 32 p. : col. ill. ; 23 cm.

The kids in Room 207 take advantage of their teacher's good nature until she disappears and they are faced with a vile substitute.

ISBN: 0590118773

Subjects--Topical Terms:
Schools--Fiction.
Human behavior--Fiction.