__WIKIA_BANNER__ "Lesson #1 in the fight against crime: Never lose your head!" — Tagline, from the front cover The Viking's Revenge is the 124th book in the The Hardy Boys Casefiles series.
__WIKIA_BANNER__ "Lesson #1 in the fight against crime: Never lose your head!" — Tagline, from the front cover The Viking's Revenge is the 124th book in the The Hardy Boys Casefiles series.