That's how I do it too (drag and drop to iTunes). It requires connecting the iDevices to my Mac, but I do that frequently anyway, I am used to do app upgrades this way and it also creates a backup. Plus, it means I only copy the book once and then it's synced to the iPhone and iPad.
"The thing about witchcraft," said Mistress Weatherwax, "is that it's not like school at all. First you get the test, and then afterward you spend years findin' out how you passed it. It's a bit like life in that respect."
Terry Pratchett (The Wee Free Men)
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