K.L. Armstrong is a Canadian author best known for co-writing the Blackwell Pages trilogy with Melissa Marr, including "Loki's Wolves" and "Odin's Ravens." The series reimagines Norse mythology for middle-grade readers, following young descendants of Norse gods in contemporary settings. Armstrong also writes urban fantasy and crime fiction for adult audiences under the name Kelley Armstrong, author of the popular Women of the Otherworld series. Her work spans multiple genres, combining mythology, supernatural elements, and compelling character development. Armstrong's storytelling has earned her a dedicated readership across age groups and critical acclaim for her imaginative world-building.