Julia Probyn – journalist, amateur sleuth and occasional spy – is sailing off the west coast of Scotland with her cousin Colin when they stumble upon a suspicious sky-blue pole, rising from the ground on the desolate island of Erinish Beg. Colin, who works for the British Secret Service, immediately suspects Russian surveillance.

Military Intelligence sends Colonel Jamieson to investigate this find, and together he and Julia must unravel the mystery. But as the Cold War rages, the pair are soon to find out that the antenna-like pole is only the beginning. As the conspiracy grows, so too does their affection for each other, which seems rather likely to complicate matters.

The Dangerous Islands, book four of The Julia Probyn Mysteries, is a tale of love, adventure, and espionage.

Here's an answer for the multitude of readers demanding a good story, adventure, mystery [and] romance * Kirkus *

Ann Bridge (1889-1974), or Lady Mary Dolling (Sanders) O'Malley was born in Hertfordshire. Bridge's novels concern her experiences of the British Foreign Office community in Peking in China, where she lived for two years with her diplomat husband. Her novels combine courtship plots with vividly-realized settings and demure social satire.

Bridge went on to write novels around a serious investigation of modern historical developments. In the 1970s Bridge began to write thrillers centered on a female amateur detective, Julia Probyn, as well writing travel books and family memoirs. Her books were praised for their faithful representation of foreign countries which was down to personal experience and thorough research.