The Jackson County Public Library will conduct a free Secret Agent Lock-in for children in grades 4 and 5 from 5:30 to 8:30 p.m. Friday at the Seymour Library, 303 W. Second St.

Attendees will be issued an agent identification, an evidence collection kit and a disguise for undercover work. A signed permission slip and registration are required.

For information about the lock-in or to get a permission slip, visit the Seymour Library, call 812-522-3412 option 2 or visit the library’s program calendar at myjclibrary.org/events.