Related Clues:

• Being under about fifty-one will set her mind at rest
• This may free the First Lady from anxiety when she comes after about fifty-one
• What a literate wizard must learn to cast
• Of use to the magician if he can do this with the letters
• The way the witch shows she's literate enough for this
• It will take the weight off her mind to be about just over fifty
• The witch might cast the letters thus
• This may be cast, but not by the fisherman
• It might rile the First Lady to take over from her
• To be about fifty-one will set her mind at rest (7)
• A matter of letter to be cast for magic
• 'Would it satisfy one to go again, by the sound of it? (7)'
• Magic incantation
• Give a break
• Get the letters cast