Jacoba Kroet is an 11-year-old schoolgirl, enjoying an idyllic childhood, until the German invasion of Rotterdam, when her life changes overnight.

She and her family have to endure terrible hardships and witness appalling acts of cruelty as they struggle to survive the war.

From small everyday triumphs and disappointments to great acts of bravery and desperation, Jacoba's memories provide a compelling insight into life in Holland under Nazi occupation.

Nobody who lived through those times could ever forget them.