This story succeeds by turning a shy wallflower into a daring spy who uses her invisibility to outwit dangerous adults. The high stakes of the Spanish Civil War feel immediate through the intense bond of two friends sharing life-altering secrets. Books in this family share a focus on overlooked children using their wits to navigate perilous historical turning points.
Reach for this book when your child feels like they are too quiet, small, or insignificant to make a real difference in the world. It is an ideal choice for the child who often fades into the background and needs to see that observation and listening are powerful tools for change. Set in the Basque region of Spain during the 1930s, the story follows Ani, a girl known as the sardine seller's daughter, who believes she is invisible until she meets a boy named Mathias. Together, they enter a world of high-stakes espionage during the Spanish Civil War. While the historical backdrop involves the tragic bombing of Guernica, the heart of the story is Ani's journey from self-doubt to courage. It is appropriate for middle-grade readers who are ready for a serious look at history through the lens of a resilient friendship. Parents will appreciate how it balances a difficult historical event with a hopeful message about the power of an individual's voice.