Black and Blue Magic

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Overview:

Title: Black and Blue Magic
Author: Zilpha Keatley Snyder
Year: 1967
Publisher: Scholastic Book Services
Price: $0.50
Pages: 256
Binding: Paperback
Type: Novel
Title Reference: Black and Blue Magic
Notes:
Stated 1st printing November 1967. No number line. Says illustrated by Robert Cassell but there is no interior art, assume he did the cover.