Extract from Chapter One of THE REISTANCE SISTERS   Hana pressed her face against the tram window, unable to believe what she was seeing outside. She and her sisters were striving to look calm as they made their way to their AK stations for training, but it was hard for there was a curious panic in Warsaw’s air. German soldiers were marching up Jerusalem Avenue, but they were like no Germans she’d ever seen before. They were shuffling their muddy jackboots and keeping their eyes trained on the pavement of the city they’d arrogantly marched into five years ago. Their uniforms were torn and skewed and permeated with an air of defeat. She grabbed Zuzi and Orla and nodded at the astonishing sight beyond the window. Zuzi beamed. ‘Look at them, crawling in the dirt where they belong!’ ‘Zuzi, hush!’ Hana looked nervously around, aware, as always, of her duty as the eldest sister to keep the other two safe. They were in the Polish carriage, the only one of the three that made up the tram, with the front two reserved as Nur fur Deutsche – only for Germans – but you never knew who might be listening. No…