The NCIDQ Interior Design Reference Manual, 7th Edition is a comprehensive textbook written by David Kent Ballast, focusing on exam preparation and internal medicine in the field of interior design. Published by Professional Publications, Incorporated in 2021, this illustrated trade paperback features 700+ pages and is written in English. The book covers various subjects related to design, education, and general knowledge, making it suitable for adult education and further education levels. With a size of 30 cm in length, 24 cm in width, and 4 cm in height, this manual is a valuable resource for interior design professionals at different proficiency levels.