Approved Comics #12

This anthology issue contains multiple stories including "The Snow Siren's Secret," featuring a Royal Canadian Mounted Police inspector and his companion in a northern adventure; "The Blue Monk," a mystery involving a costumed vigilante investigating criminals at the National Art Museum; and "Mission of Mercy" by Bert N. Dean, depicting Inspector Don Norton of the Royal Canadian Mounted Police investigating a typhoid epidemic in an Arctic settlement and uncovering a conspiracy involving fur traders and murder. Additional stories feature Northwest Mounties and other adventure narratives set in frontier and wilderness settings.