The Camas Public Library, 625 N.E. Fourth Ave., Camas, will host “Unsolved,” a mystery-solving afternoon for adults who like mysteries. Gather a group of armchair detectives to solve this case from 1 to 5 p.m. May 4. Participants will get witness statements, maps, suspect files and other pieces of evidence. Groups of up to six people are invited to attend. This event is for ages 18 and older. Each person who is attending should register at camaspl.org/unsolved.