The “Digital Fundamentals Fourth Edition” textbook, authored by Thomas L. Floyd and published in 1990 by Merrill Publishing Company, is a valuable resource for students and professionals in the field of electronics and engineering. This hardcover book, part of the Merrill’s International Series in Electrical and Electronics Technology, focuses on the subject areas of digital electronics, circuits, and logic. With a clear and informative approach, it serves as a comprehensive guide for understanding and applying various fundamental concepts in the realm of technology and engineering. Staining on endpapers. See photos.