St. Leon Church of Fair Lawn, NJ, will host a book presentation by Dr. Susan Pattie, author of The Armenian Legionnaires: Sacrifice and Betrayal in World War I. The event will be held on Tuesday, Dec. 4, at 7:45 p.m., in Charles & Grace Pinajian Youth Ctr. (12-61 Saddle River Rd., Fair Lawn). Dr. Pattie will describe the motivations of the Armenian Legionnaires and their betrayal as France and Britain shifted priorities, leaving the Armenian homeland to the emerging Republic of Turkey. A special guest on the evening will be Princeton doctoral candidate Varak Ketsemanian. Free and open to the public. Click the link to view a flyer.