In celebration of the release of Root of Unity(less than a week away, w00t!), today marks the first day of a 99-cent sale of the ebook forZero Sum Game!

Amazon * Amazon UK * Barnes & Noble * Kobo * Apple

In honor of this sale and so I’m just not Promoty McPromotion, I’m going to tell you about the title of the series.

Russell’s Atticmay not be the best title for a book series about violent superpowered mathematicians — it doesn’t quite speak to the superheroaspect, or suggest adrenaline-pu...