How to activate markers and link text in iBooks Author

There is a way more simple way to do this... I'm using iBooks Author 2.0 it has a "Paste and Retain Styles" option that works like a charm.

I edit the code snippets in Xcode then select and copy the section I want:

Then control click where I want to paste it into my book:

Done! The snippet is included with syntax highlighting:

Pro Tip 1: Take time to set up Xcode to use the font you want so you don't have to fiddle with it once the code is pasted into iBooks Author:

Pro Tip 2: Here are some other useful settings for your code snippet paragraphs, keep the lines together and disable auto-hyphenation.

Using the Botany sample, the text boxes seem to work as expected with the caveat that you have to intentionally click on one of the four corner handles of the text box to make the blue linking triangles appear.

I took a small video showing the controls reacting to mouse events.

From there, linking works as expected from the perspective of Pages.