The time it takes to publish a book depends on many factors, including the type of book, the publishing company, the publishing cycle, the number of prints, and so on. Generally speaking, it took a few months to a year to publish a book. It usually took a long time to publish a novel. It might take a few months to a year. This time may depend on the schedule of the publishing company, the degree of cooperation between the editor and the author, and the needs of the publishing company. If you want to publish a novel, you can contact a well-known bookstore. They can publish the book faster. You can also publish your own books. This requires some planning and editing work, which requires a certain amount of time. No matter which way you choose to publish a book, it requires patience and hard work.