[1] Horseman's first novel Hubble's Bubble was published first in England and in Germany, France, Sweden, Denmark, Finland, Spain and Portugal.
[3] In 1950 she married Leslie A. Horseman, a computer applications engineer, with whom she moved to Bristol and had two sons: Stephen Thomas and Christopher Michael.
Of the second Hubbles or Boffins Club book, the American journal Kirkus Reviews complemented the easy transitions between fantasy and reality and observed that the children "keep up a steady banter often pleasantly silly, frequently affected, and always very British.
[citation needed] The Boffins' Club comprises the Hubbles -- 12-year-old Alaric and his 8-year-old sister, Sarah, who live with their eccentric grandfather in the town of Stoweminster -- together with Charlotte, Jonathan and Peter Vaughan who arrive for a holiday.
The sixth experiment makes it possible to breathe under water, when a prehistoric mammal, found on another trip into history, becomes lost.