Kathleen Dawson, 6, of Lexington sat on Pat Summitt’s lap as Summitt autographed a copy of her book Reach For the Summit for Kathleen’s mother on April 28, 1998 at Joseph-Beth Booksellers in Lexington. Kathleen brought Summitt a Kentucky Derby Beanie Baby for Summitt’s son, Tyler. Summitt signed almost 400 books at the event. Summitt, the winningest coach in Division I college basketball history, who lifted the women’s game to national prominence during her 38-year career at Tennessee, died Tuesday, almost five years after being diagnosed with early-onset Alzheimer’s disease. She was 64.