The Wolves of Fenrir by Sela Carsen

By the year 2225, humans have come a long way. Broadening Earth’s frontiers into the galaxy means taking a crash course in inter-alien relations, and humans are — mostly — embracing their new allies. The Fenrir are Viking descendants of the Great Wolf of Norse myth — heroes and heroines from across the galaxy who have returned to Earth to help keep our planet safe.

A physicist and an assassin, a spy and a mechanic, an old soldier and a weaver, a general and an interpreter — fall in love and follow them into danger as they face down an enemy threat that could plunge the…