

It was adapted for television in Canada as a 1960 TV series with the original title, and for British television in 1972 as Treasure over the Water. Minnow was published in the US as The Minnow Leads to Treasure (1958). Cambridge became Castleford in the book (nothing to do with the real town of the same name in West Yorkshire) and lost its university the River Cam became the River Say. Like several of her subsequent books, it was inspired by the area where she had been raised: the villages of Great and Little Shelford became Great and Little Barley. It was a commended runner-up for the annual Carnegie Medal. She passed the time there thinking about a canoe trip she had taken many years before, which became the inspiration for her first book, a 241-page novel Minnow on the Say, published by Oxford in 1955 with illustrations by Edward Ardizzone. In 1951 Pearce spent a long period in hospital recovering from tuberculosis. She was a children's editor at the Oxford University Press from 1958 to 1960 and at the André Deutsch publishing firm from 1960 to 1967. Later she wrote and produced schools' radio programmes for the BBC, where she remained for 13 years.

After gaining her degree, Pearce moved to London, where she found work as a civil servant.
