Haunted after helping her father on his ghost-themed Chicago bus tour, twelve-year-old Claire must discover what the spectral boy from the bus wants before it is too late.

During a visit to the Chicago Cubs' Wrigley field, cousins Mike and Kate investigate why someone has been tampering with the famous ivy vines growing on the outfield walls. Includes historical note.

Seventeen-year-old Zuretta Palmer travels to Chicago during the 1893 World's Fair to find her missing sister, but when the police and the Pinkertons refuse to help her, Zuretta begins her own investigation by becoming a maid at the notorious Castle.

When Mari and her stepsister Sierra share a ride to a music festival with two brothers, T.J. and Tyler, Mari and T.J. are instantly attracted to each other, but Mari is only in Chicago for a weekend with her father's new family, and eventually she will have to return to her increasingly abusive mother--unless she can overcome her reservations about dating and maybe arrange to stay in Chicago permanently.

Three Chicago students, Melissa, Wilf, and Bondi, are unlikely participants in a competition for a ten thousand-dollar scholarship, unaware that there is much more at stake.

While attending the World's Fair in Chicago, Audrey Rose Wadsworth and her crime-solving partner, Thomas Cresswell, track a serial killer unlike any they've encountered before.

Amber Sand has the magical ability to envision anyone's soul mate, but when Charlie Blitzman, the Chicago mayor's son and most-desired boy in school, comes to Amber for help in finding his father's missing girlfriend, Amber sadly sees that Charlie is not destined for her.

After taking a summer job with a Chicago ghost tour company, eighteen-year-old Megan is interrogated for murder, when the reports of real ghost sightings increase along with the number of missing tourists.

Chicago fifth-grader Simon, an aspiring rapper who lacks self-confidence, uses his rhymes to help bring his community together.

When Louisa May Alcott, the friendly dog across the street, disappears, Etta and the dog's owner, Eleazar, are swept up in a magical adventure where they must summon their courage to save Chicago from The Fear.