Secret service -- Soviet Union -- Fiction. Soviet Union -- History -- 1925-1953 -- Fiction. Suspense fiction.

Journalists -- Fiction. Missing children -- Fiction. Cold cases (Criminal investigation) -- Fiction.

Kidnapping victims -- Fiction. Kidnapping -- Fiction. Identity (Psychology) -- Fiction. Parent and child -- Fiction.

Berlin (Germany) -- Fiction. Suspense fiction.

Secret service -- Soviet Union -- Fiction Soviet Union -- History -- 1925-1953 -- Fiction Suspense fiction

Child development

Pediatrics -- Popular works Infants -- Health and hygiene -- Popular works Children -- Health and hygiene -- Popular works

Child development.

World War, 1939-1945 -- Italy -- Tuscany -- Fiction. Fathers and daughters -- Fiction. Family secrets -- Fiction. Tuscany (Italy) -- Fiction.

Psychological fiction. Suspense fiction.