In 1911 New York City, 17-year-old Frances Hallowell spends her days as a seamstress, mourning the mysterious death of her brother months prior. Everything changes when she’s attacked and a man ends up dead at her feet - her scissors in his neck, and she can’t explain how they got there.

Dragons soar through the skies and protests erupt on the streets, but Vivien Featherswallow isn’t worried. She’s going to follow the rules, get a summer internship studying dragon languages, be smart, be sweet, and make sure her little sister never, ever has to risk growing up Third Class. She just has to free one dragon. By midnight, Viv has started a civil war. With her parents and cousin arrested and her sister missing, Viv is brought to Bletchley Park as a codebreaker—if she succeeds, she and her family can all go home again. If she doesn’t, they’ll all die.

When the gold-dusted court invitation arrives at Suraya Saab’s forge, she believes it’s a joke. Nobles might seek her skills as a bladesmith—one of few who can imbue her work with precious jadu, the last source of magic in the realm—but she has no qualifications as a potential bride for the crown prince. Still, the invitation is the chance at adventure, and the means to finally visit the capital city her late mother loved.

Deep within the imperial palace at Timbuktu, Amie has suffered a devastating loss. Once the daughter of a prosperous salt merchant Amie’s life was cruelly overturned in a matter of months. At sixteen, Amie now finds herself disinherited, framed for a scandalous crime, and forced to serve Princess Mariama of Mali. Her father, Emperor Sulyeman, has created a series of impossible trials for his daughter's suitors. When they fail, he publicly boils them alive, littering Mariama’s path to marriage with ninety-nine corpses.

For twenty years, Sciona has devoted every waking moment to the study of magic, fueled by a mad desire to achieve the impossible: to be the first woman ever admitted to the High Magistry at the University of Magics and Industry. When Sciona finally achieves her ambition and becomes a Highmage, she finds her challenges have just begun. Her new colleagues are determined to make her feel unwelcome—and instead of a qualified lab assistant they give her a janitor.