Intervention is Part Two of The Observer Series. Part One is The World of Fives.

The continuing story of Cathy Rodriguez - a Senior Observer in the Interplanetary Geographic Service.

Cathy is recalled from her Observer duties as she is asked to establish first contact with a new life form. Meanwhile the Conspiracy to prevent humans changing their non-Intervention policy continues to try and kill her. Together with Marta De Jaste, a Senior Investigator, and Tony Briggs her former jailer and security officer, they travel to the chosen planet.

On the planet Tullymeade, Karloon Niesta, a disgraced scientific observer, detects a strange anomaly. A discovery that will change his planet forever.

In deep space two groups of survivors try and recover from their battle in orbit above the planet Freevur

Available at Amazon

Cover	Title	Published	Amazon	Audio	Translations
	Intervention	Jan 2016	Amazon	Audible USA Audible UK Audible France Audible Germany Amazon Apple
	Intervenção	Feb 2020	Amazon		Portuguese Rebeca Rodrigues Vargas e Souza
	Intervención	Mar 2023	Amazon		Spanish