Princess Helen of Lichenberg loves pop music. But her father, King Gustave, does not, and has forbidden her to listen to it. Little does he know that Helen has now become a pop star herself, under the masked guise of M’Lady of Mystery, and she is even performing under his very nose in her pop star identity.
The Whisperer is plotting rebellion against the tyrannical Queen Villette of Luxaria, and plants one of his spies, Helga, in her household as a lady’s maid. But Selina, one of the Queen’s own spies, discovers Helga!
The perfectly preserved body of Nusta Calixapas, daughter of the last of the Inca kings, comes to life when it is discovered during an archaeological expedition. Nusta refuses to be separated from Melanie Mace, an archaeologist’s daughter, whom she makes her personal maid. So Nusta comes to England and Melanie’s boarding school, but her haughtiness as a royal is not making her popular. She also starts developing strange fainting fits, but recovers in the sunlight.
Twins Toni and Tessa Taylor are devoted sisters but different in character; Toni is boisterous and mischievous while Tessa is quiet and thoughtful. At an exhibition on Ancient Egypt, the twins hear about twin princesses who were also different in character; one kind and one evil. The evil twin poisoned the kind twin, assumed the throne, and her reign was a cruel one. After Tessa gets a strange shock from a goblet that the evil sister may have used to poison the kind one, Toni starts acting evil towards her.
Princess Pandora of Rozeinberg has been imprisoned in a tower since she was a baby. She is eventually liberated, but her imprisonment has made her tough and rough. While proving popular with her subjects, Pandora’s rough ways shock her snobby cousins. They hire a forester to get rid of her. He imprisons her again, this time in a windmill, and she will perish there if she does not get help in time.
Tomboy Kitty Thomson was chosen to take the place of her double, the Queen of Cambodia, who was ill. It was important that nobody should notice the swap, but Kitty’s behaviour was far from regal.
Cindy Smith is the daughter of a Cockney scrap merchant. Cindy agrees to switch identities with Princess Melba of Astolia, who fears her father’s enemies are out to kidnap her. Cindy is aware this means putting herself in danger from the kidnappers, and it is not long before the danger strikes.
Revolutionaries drive the Landrov family from power in Assuria. Tatiana Briggs, the last of the Landrovs, is trying to regain her throne with the help of Sheila Norton and Sandy Gregson. But they get captured and now face an uncertain fate. They manage to get a message out to loyalists, who now discuss what rescue they could undertake.
When her mother died, young Princess Pandora promised to help the poor and the needy people of her kingdom. In the sequel, “Pandora’s Secret Pledge”, Princess Pandora disguises herself as a boy to search for the Golden Stallion, the finest horse in the kingdom. She finds the stallion and bonds with it. Then, when her father goes on crusade, she and the stallion have to honour the ancient custom of completing the dangerous ride of the Three Peaks or lose the throne. But the king’s enemies are out to stop her completing the task.
Polly Parker has her own Prince Charming, Prince Frederick (Fred), who has had a spell cast on him by a wizard.
