Infiltration — Rosalind Minett

London 1940. Relentless bombing means Billy is evacuated again. Worse - this time manipulative cousin Kenneth comes too, and continues his invasion. Billy does have a photograph of the precious Cossack sabre as an imaginary power. But then a family catastrophe causes a new threat from Kenneth. This one will affect both their futures permanently. Can Billy become a hero when his parents are not?