A three-part series titled "The Key to Happiness" will be offered by the Jewish Learning Center of Monmouth County Jan. 8, 15 and 22 at 8 p.m. at the Jewish Learning Center, 138 Pine Brook Road, Manalapan. The series will feature guest lecturer Rabbi Mordechai Becher of Gateways Seminars, who will present "Dealing With Stress" Jan. 8, "Managing Rage and Anger" Jan. 15, and "Regaining Peace and Tranquillity" Jan. 22. All the lectures are free. To register or for more information, call the Jewish Learning Center (732) 683-0244.