How to write an ebook with textedit
How do you create the links in TABLE OF CONTENTS to the correct sections of the ebook using Text Edit?
MacBook Pro, Mac OS X (10.7.5)
That may be more technical than TE is capable. I think those would be internal hyperlinks.
Have you looked into Apple's free ebook app iBooks Author in the Mac App Store?
Late 2012 Mac mini, OS X Yosemite 10.10.4; Apple Watch, 38 mm silver AL, watchOS 1.0.1; iPad Air 2 & iPhone 6+, iOS 8.4