“The combination of adventure, appealing characters, and high stakes should satisfy middle-grade fantasy fans.” — Kirkus Reviews
“Richards excels at weaving stories that mesh the real, modern world and classic mythologies. Readers will clamor for more, especially those who loved Rick Riordan’s Norse-themed The Sword of Summer.” — Booklist
“A worthy addition to the recent Norse mythology kick, particularly as it includes some aspects and figures that have been underrepresented to date.” — Bulletin of the Center for Children’s Books