A Purple Cow 
Subtitle: How to Learn Colors
Contributors: Catharine E. Varnedoe (Illustrator)
Publisher: Learning Abilities Books
Published: November 14, 2000
Format: Paperback
Number of pages: 24
ISBN-13: 9780965885348
Subjects: Juvenile Nonfiction / Study Aids / General; Activity Books; Children's 4-8; Concepts - Colors; Juvenile Nonfiction; Study Aids - General; Juvenile Nonfiction / Concepts / Colors; Juvenile Nonfiction / Activity Books