How many pages does Necropolis - Horowitz novel have?

The number of pages in a book can vary depending on the edition and format. To get the exact page count for "Necropolis" by Anthony Horowitz, you'll need to specify which edition you're interested in.

You can usually find the page count:

* On the book's cover: Most books list the page count on the back cover or spine.

* In online retailers: Websites like Amazon, Barnes & Noble, and Goodreads often list the page count for different editions of the book.

Please provide more information about the specific edition of "Necropolis" you're looking for, and I can try to help you find the page count.