Interior Design ABRAMS Paperback John F. Pile
This textbook is the one I kept after the course ended for reference.
What stands out about this textbook is the way it connects real-world examples to theory.
What stands out about this textbook is the focus on practical applications.
A nice touch in this textbook is the self-assessment quizzes after each lesson.
You will find that this textbook has a comprehensive bibliography for further study.