Shazam! 1973 #13 - mid-grade - $4.99

An evil scientist creates a potion that gives a crime boss the same powers as Sunny Sparkle.

Captain Marvel Jr discovers the secret of a room in the boarding house he lives in that nobody is allowed to enter.

The story of how Joan Jameson became the secretary for both Billy Batson and Captain Marvel.

Tawky Tawny tries to be a door-to-door salesman to make some extra money.

Billy moves into a new house, renting a room from Ma and Pa Potter. While chasing a burglar he meets his new neighbors, Dexter Knox and his parents.

Sterling Morris finds a magic bottle that leads him, along with Billy, Freddy and Mary, to what they hope is a buried treasure. Unfortunately there is no treasure, but they manage to release the Barbary Pirates.

Recap of various people that are found in the Shazam! series.

Captain Marvel travels to ancient Egypt to discover if Shazam was a thief in the past.

Mary and her friends build a clubhouse for their Mary Marvel Fan Club. When ghosts show up to drive the girls away from their clubhouse, Mary Marvel uncovers the truth behind the ghosts.

On-sale date from Comic Reader #105.

• The Shazam Family -- And Their Greatest Friends! - Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
• The Case of the Charming Crook! - Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
• The Pandora Pirates - Chapter One: "The Treasure Danger" (6 pages), Chapter Two: "Pirate Plunder" (6 pages), Chapter Three: "The Pirate Pay-Off" (6 pages)
• The Haunted Clubhouse! - Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.