In 1990, Isaacs named a four-hour dramatisation of an early Percy Bysshe Shelley Gothic horror novel, Zastrozzi (1986), as one of the 10 programmes of which he was most proud during his tenure as Channel 4's chief executive.
The major characters and the plot of the play are nearly identical with the 1810 novel "Zastrozzi" by Percy Bysshe Shelley.
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Zastrozzi, The Master of Discipline is a play by Canadian playwright George F. Walker first produced at Toronto Free Theatre in 1977.
A collection of her poems The maid's song and other poems was published by Macmillan in 1938 and she wrote the introduction to the Gothic novel Zastrozzi by Percy Bysshe Shelley which was republished in a limited edition by The Golden Cockerel Press in 1955.