No Surrender — Martha Albrand

Jenny Latham, a beautiful young American girl, fell in love with and married a brave fighter in the Dutch resistance. He played the dangerous role of double-agent... the stakes being life and death!
Jenny had few illusions. The Nazi enemy was ruthless and cunning. On her side she had courage and love - the two things that would be painfully tested in the shattering battle of nerves about to begin... a battle in which surrender was another word for death!