Moira Davies was the owner of a magic mirror, which came to her in mysterious circumstances on her fourteenth birthday. When it was taken out of its special bag, anything it was turned upon immediately became invisible for a time.
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Finola is a Third-Century Pictish princess befriended by a band of Celtic warriors known as the Feinn. When Queen Grainne is turned into a white hind by Luath, the Yellow Magician, and disappears into a thicket made of the sacred rowan trees, Finola is the first to follow. 
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Stephanie Jarvis has a curse put on her by Miss Troughton, an old lady who wrongly accused Stephanie of stealing from her. The curse causes an evil double to emerge when Stephanie sleeps, and Stephanie gets the blame for the trouble the double causes.
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Jeannie Jenks, photographer for her school magazine, buys an old camera that contains metal in which is imprisoned a genie, Jerry, released when Jeannie rubs the metal. He offers to use magic to make her father’s runner beans grow big,and succeeds only too well!
Anne Foster cannot help laughing when she sees a woman in a funny witch-like hat – but then she finds out the woman is a real witch. The witch takes revenge with a curse that makes Anne laugh with a loud, hideous, uncontrollable cackle. This gets Anne into a lot of trouble at home and school. When it gets to the point where Anne’s father decides to send her to special school, she goes on a desperate search of the witch to get the spell lifted.
With the help of a lady who realises she is under a spell, Anne finds the witch. The witch falls into deep water and pleads for Anne to help her, as the water will destroy her powers. Anne is tempted to laugh at the witch’s plight because it looks so funny, but resists it and helps the witch out.
The witch is very impressed at this, but tells Anne she has already broken the spell herself by resisting the urge to laugh. So she returns the favour by making everyone forget the trouble the spell caused.
Rose Walker has a bad temper. So a witch puts a spell on her to help control it. Whenever Rose flies into a temper, anything she says in the heat of the moment comes true and stays that way until she calms down. This tends to lead to hilarious situations.
Sally Reid and her friends at Elmdene School form an orchestra to compete in a school’s contest. Pip Piper has a strange old German instrument with seven lettered keys. When she plays on one key, frogs appear. When she plays on another, cats follow her. Sally decides Pip is a modern Pied Piper.
Winnie Wilson, a third former at Harcombe School, buys a small carved figure in an antique shop. She finds that “Willie”, as she calls him, gives her the power to will people to do whatever she wants. Only her study chums, Joan Johnson, and Googie Gordon know her secret. Unknown to Winnie, a stranger has been inquiring about “Willie” at the antique shop. 
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Newcomer Jane Baker has not yet made friends in her new district. She is told that when the full moon rests on Beacon Hill, wishes come true. Jane makes this to wish the scarecrow she has just made to come alive and be her friend. The wish comes true, and Jane names her scarecrow friend Suzy.
Lorna Donovan, who lives in the little Irish town of Ballybog, is just an ordinary schoolgirl, except for one thing,–a leprechaun named Murphy has decided to stay with her, Murphy can imitate many things and, when he switches on his magic, only Lorna sees him as he really is. To everyone else, he looks exactly like whatever he’s imitating.
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