According to The Verge article[1], it looks like Apple requires the price to be ...

		mdwrigh2 on Jan 19, 2012 \| parent \| context \| favorite \| on: Apple announces iBooks 2, iBooks Author to "reinve... According to The Verge article[1], it looks like Apple requires the price to be $14.99 unless iBooks is the sole distribution mechanism. [1]: http://www.theverge.com/2012/1/19/2718357/apple-ibooks-2-tex...