LitCharts assigns a color and icon to each theme in The Book Thief, which you can use to track the themes throughout the work.
Death
Words and Language
Books
Stealing and Giving
Color, Beauty, and Ugliness
Summary
Analysis
In February Liesel gets a letter from Hans describing his situation, and she and Rosa are ecstatic. Liesel tells the Steiners the news and they are also pleased, but Liesel can tell Rudy wonders why Hans Hubermann got so lucky and Alex Steiner didn't.
The Hubermanns are the lucky ones at this roll of the die, and the Steiners are unlucky. Rudy must struggle to deal with this chaos, and find something to direct his frustration at.