The Middlesex County Public Library (MCPL) system’s presentation, “Preparing for Medicare,” by Laura Bondurant, is set for 6 p.m. Tuesday, Nov. 14 at MCPL’s Urbanna branch. The presentation will address topics surrounding enrollment and the various parts of Medicare plans. Q&A time will follow and light refreshments will be served. Medicare coverage is divided into four parts — known as Parts A,B,C and D — each of which addresses a different aspect of patient treatment ranging from hospital (Plan A) to self-administered prescription drugs (Plan D).