What should I write on the back cover of the album?

The last page of an album can contain the following:

1. Summary: Make a short summary of the whole album, summarizing its theme and main information.

2. Author information: provide the author's name, contact information or website address, so that readers can get in touch with the author or learn more about the work.

3. Copyright statement: including copyright identification and protection statement, indicating the copyright ownership of the album, and prohibiting unauthorized copying and dissemination.

4. Thank you: Thank you for your support and help, such as sponsors, partners, photographers, editors, etc.

5. Other information: If necessary, you can add other relevant contents on the last page, such as publication date, publisher information, ISBN number, etc.

In short, the last page of the album can be a summary and supplement of the whole album, providing more relevant information for readers to understand and contact.