The copyright page of a book typically contains four pieces of information:
The copyright symbol (©), the year of publication, the copyright holder's name, and the copyright notice.
The copyright symbol (©) is used to notify readers that the material is protected by copyright law.
The year of publication is the year in which the book was first published.
The copyright holder's name is the name of the person or organization that owns the copyright to the book.
The copyright notice is a statement that sets out the copyright holder's rights in relation to the book.