Batman: The Court of Owls (Batman 75 Edition) App info is currently processing and/or the app is not yet fully available for sale on the US App Store. Starbucks direct download link with promo code: Download
Edit: Took me a bit to realize I needed to download iBooks to access this content, haha. No. City of Owls is the subsequent volume (#2). Court of Owls trade is Batman (2011) 1-7, included here, and City of Owls is Batman 8-12 + Annual, not present on offer.