Marion Blumenthal Lazan, a Holocaust survivor and co-author of Four Perfect Pebbles, will be speaking at the Town of Ballston Community Library at 7 PM on Tuesday, April 1st, 2008.  She will be signing books afterward.    Paperback copies of the book will be available for $5.00.  The movie based on her life, Marion’s Triumph, will be shown at 2 PM on Saturday, March 29th on the big screen in the library community room.