In order to leave the pages blank, you'll need to insert a section break and
delete the page numbers in the header/footer of the new section (after
unlinking it). See http://sbarnhill.mvps.org/WordFAQs/HeaderFooter.htm

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Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://word.mvps.org
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> I am putting a book together, and would like to have the left pages at the
> end of the chapters without a number.
> Each chapter is separated by a page break.