Answer : There is no simple answer to this question since it depends on a variety of factors, such as your budget, your personal taste, and the specificInterior design book you are considering purchasing. However, we can provide some general guidelines that may help you make a decision.
If you have a limited budget, then an interior design book may not be the best investment for you. There are plenty of cheaper alternatives, such as online resources and magazines, that can provide just as much inspiration and guidance. However, if you have the money to spare and you are specifically interested in learning about interior design, then a good book can be a great investment.