Time at the Top by Edward Ormondroyd

Title: Time at the Top
Author: Edward Ormondroyd
Illustrator: Peggie Bach
Publication: Bantam Skylark paperback, originally published by Parnassus Press, 1963, now available from Purple House Press
Genre: Juvenile fantasy
Setting: 20th century, United States, probably New York

Description: One Wednesday in March, late in the afternoon, Susan Shaw vanished from the Ward Street apartment house in which she lived with her father.