The product is a textbook titled “Human-computer Interaction. Multimodal and Natural Interaction” authored by Masaaki Kurosu. Published by Springer International Publishing A&G in 2020, this textbook covers various subjects related to computer graphics, software development, expert systems, user interfaces, artificial intelligence, and social aspects of human-computer interaction. The book is part of the Lecture Notes in Computer Science Series and is available in a trade paperback format with 735 pages. This textbook is a valuable resource for students and professionals interested in the field of human-computer interaction.