In an alternate 1914 Europe, fifteen-year-old Austrian Prince Alek, on the run from the Clanker Powers who are attempting to take over the globe using mechanical machinery, forms an uneasy alliance with Deryn who, disguised as a boy to join the British Air Service, is learning to fly genetically-engineered beasts.

"War and oppression are everyday constants for the people of the Badlands, who live under the thumb of their cruel Godolia overlords. Their rule is aided by giant mechanized weapons known as Windups. Eris Shindanai is a Gearbreaker, a rebel who specializes in taking down Windups from the inside. When Eris finds herself in a Godolia prison she meets Sona Steelcrest, a cybernetically enhanced Windup pilot. Sona has a secret: She has intentionally infiltrated...

Continues the story of Austrian Prince Alek who, in an alternate 1914 Europe, eludes the Germans by traveling in the Leviathan to Constantinople, where he faces a whole new kind of genetically-engineered warships.

A girl who can speak to gods, a prince who must learn whom to trust, and a boy with a monstrous secret seek to assassinate the king and stop a centuries-long war. Nadya, a girl who can speak to gods, must save her people without destroying herself. A prince in danger must decide who to trust. A boy with a monstrous secret waits in the wings. In a centuries-long war, their paths entwine in a shadowy world of spilled blood and mysterious saints. Together,...

As three warring fractures try to gain control of the kingdom, orphaned Zephyr, a strategist serving Xin Ren, infiltrates an enemy camp where she encounters the enigmatic Crow, an opposing strategist who might just be her match. The year is 414 of the Xin Dynasty, and chaos abounds. A puppet empress is on the throne. The realm has fractured into three factions and three warlordesses hoping to claim the continent for themselves. But Zephyr knows it's...

"It's Christmas time, 1919. Three years before, seventeen-year-old Margot Allan, a respectable vicar's daughter, fell passionately in love. But she lost her fiancé, Harry, to the Great War. In turn, she gained a desperate secret, one with the power to ruin her life and her family's reputation, a secret she guards at all costs. Now Margot's family is gathering at the vicarage for the first time since the War ended. And Harry, it turns out, isn't dead....

Twelve-year-old Marcel loves riding his bicycle, and dreams of competing in the Tour de France, but it is 1942 and German soldiers are everywhere, stopping him as he delivers bread from his parents' bakery around Aucoin--then one day he discovers that it is not just bread he is delivering, and suddenly he finds himself in a position of dangerous secrets about his parents and his new friend from Paris, Delphine.