Two of the world’s top assassins—fraternal twins separated from birth, but inevitably drawn to the same kind of women—find themselves married to a pair of sorceresses. When their firm schedules the hit men for cancellation, the brothers' one escape is through the women they love into a realm of magic, dragons, and warlocks, which will require both the assassins' and the sorceresses' skills to survive.

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note: all the books in the series, Blood Brothers, are stand-alones, with complete story arcs.