Book page count

[Harold Winberg]

I have encountered a strange problem

 

We are finishing a large book and we aren't ready to generate a TOC yet.

 

I have been getting an initial page count of each chapter in the book by
clicking the chapter and getting the number of pages without opening up
the chapter by looking at the bottom left of the screen. 

 

The number of pages in the clicked chapter file of the book appears at
the bottom left of the screen.

 

I spent hours getting a count for each of about 400+ chapters and then
noticed that when you open a chapter, the number of pages doesn't always
match. 

 

Does anyone know why this happens? What can it affect?

 

Les Winberg