The Windy City Saga Series by Jocelyn Green, Elza Oudenampsen

Meg and Sylvie Townsend manage the family bookshop and care for their father, Stephen, a veteran still suffering in mind and spirit from his time as a POW during the Civil War. But when the Great Fire sweeps through Chicago's business district, they lose much more than just their store. The sisters become separated from their father and make a harrowing escape from the flames with the help of  Chicago Tribune  reporter Nate Pierce... moreMeg and Sylvie Townsend manage the family bookshop and care for their father, Stephen, a veteran still suffering in mind and spirit from his time as a POW during the Civil War. But when the Great Fire sweeps through Chicago's business district, they lose much more than just their store. The sisters become separated from their father and make a harrowing escape from the flames with the help of  Chicago Tribune  reporter Nate Pierce. Once the smoke clears away, they reunite with Stephen, only to learn soon after that their family friend was murdered on the night of the fire. Even more shocking, Stephen is charged with the crime and committed to the Cook County Insane Asylum. Though homeless and suddenly unemployed, Meg must not only gather the pieces of her shattered life, but prove her father's innocence before the asylum truly drives him mad. less

The one thing Sylvie Townsend wants most is what she feared she was destined never to have--a family of her own. But taking in Polish immigrant Rose Dabrowski to raise and love quells those fears--until seventeen-year-old Rose goes missing at the World's Fair, and Sylvie's world unravels.Brushed off by the authorities, Sylvie turns to her boarder, Kristof Bartok, for help... moreThe one thing Sylvie Townsend wants most is what she feared she was destined never to have--a family of her own. But taking in Polish immigrant Rose Dabrowski to raise and love quells those fears--until seventeen-year-old Rose goes missing at the World's Fair, and Sylvie's world unravels.Brushed off by the authorities, Sylvie turns to her boarder, Kristof Bartok, for help. He is Rose's violin instructor and the concertmaster for the Columbian Exposition Orchestra, and his language skills are vital to helping Sylvie navigate the immigrant communities where their search leads.From the glittering architecture of the fair to the dark houses of Chicago's poorest neighborhoods, they're taken on a search that points to Rose's long-lost family. Is Sylvie willing to let the girl go? And as Kristof and Sylvie grow closer, can she reconcile her craving for control with her yearning to belong? less