I'm looking to purchase the Walking Dead Compendium 1. This is the first collection of the original comics compiled into a large book. It's available on iTunes for $39.99 and on Amazon as a $33.99 hard copy. I'm getting an iPad Mini for Christmas and currently have an iPhone 5. I have never experienced reading any sort of books or comics on it. Would I be better served just getting the hard copy or is reading on iDevices something worth paying a little extra for? Thanks.