The Medford Public Library is offering an eight-session course of Spanish lessons designed for children ages 1 to 4. Learn words and parts of Hispanic culture. Sessions will take place from 10:30 to 11 a.m. on these Saturdays: October 5, 12 and 19, and November 2, 9, 16, 23 and 30.  Registration is required through the library’s online calendar; completing the form there will sign up a participant for all eight sessions.