Hello again ArchMed1
I'd create a subdirectory containing your promotion pages. Make them look the same as your main site with same navbars etc linking back to your main site. You could then have the link on your ebooks link to my-site.com/promo/promotion.htm.
Include a <meta name="robots" content="noindex"> tag in the head on these pages to tell bots not to index them.
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