Peter & Elaine Pleasance...
Resources to assist with using iBooks Author...
IBooks Author comes with a number of built-in templates that assist you with the design of your iBook.
You can also get extra templates free or purchase. Search the internet or Appstore to find them.
Most iBooks are set up as landscape. When setting up your landscape iBook make sure you click on Inspector.
Then click on Document.
Make sure Disable portrait orientation has a tick.
If you don't like hyphens in your text boxes, switch off this tick.