This book had a lot of interesting aspects, like the skies and the gods.  The strangeness of obvious multiple gods, but some accepting only one is an interesting situation.  I really like the main wizards, as they work hard for what they need to do even with all the power they have.  Most of the other characters have tricks or luck, matched with a little skill.  Also the gender neutral status of the wizards is pretty cool, where they are considered gender neutral in political situations but still allowed to be sexual.

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