Flash Casey Books in Order

Photographer Flash Casey returns to replace ruined pictures of a wealthy lawyer and instead finds him murdered. A hurried photograph of the fleeing killer gives Casey a dangerous lead, drawing him beyond his newspaper assignment into the crime itself.

Flash Casey accompanies a columnist trying to help an inventor recover the profits stolen by his partner. Finding his friend murdered, Casey investigates while saddled with a wealthy student's unwanted assistance and a case that has turned deadly.

Four stories follow newspaper photographer Flash Casey as routine assignments pull him into criminal investigations. A kidnapped reporter, police work, and the search for newsworthy pictures place him amid dangerous situations where observation matters as much as his camera.

Photographer Jack Casey encounters an acquaintance drinking heavily in a neighborhood tavern while carrying a gun. His attempt to help pulls him into a case involving murder and blackmail, turning an ordinary visit into another investigation.

After safeguarding a colleague's film, Flash Casey wakes to gunmen demanding the negatives. Helping a stockbroker facing blackmail adds another complication, pulling the photographer into connected dangers that cannot be settled by simply handing the pictures back.