Schaum's Outline of Complex Variables by Murray R. Spiegel is a comprehensive textbook published in 1968 by McGraw-Hill Companies. This textbook, part of the Schaum's Series, covers the subject areas of Calculus, Tests, Mathematical Analysis, and Complex Analysis. With a paperback binding and 336 pages, it serves as a valuable study aid for students looking to deepen their understanding of complex variables. The book is written in English and offers a convenient size of 11 inches in length, 8.5 inches in width, and 0.5 inches in height, making it a portable and effective resource for learning.