Table of Content and Kindle
I was about to be a victim too, planning TOC at the end. After reading David’s books I became convinced it was better at the end. Oh well, Amazon does not like it and you get punished hard by them.
Read the story:
Amazon Takes Aim At Scammers But Hits Authors
As David points out the rule is indeed in the Kindle guidelines,
see here the link:
Kindle Publishing Guidelines (PDF)