Essays by Kari Chakler...[et al. Essays by Kari Chakler...[et al.] essays by Kay Heymer...[et al. essays by Harry Cooper ... [et al. essays by Patricia Berman ... [et al. essays by Kay Heymer...[et al.] essays by Peter Walker...[et al. essays by Cynthia Becker...[et al. Essays by Leonard A.Lauder...[et al. essays by Aaron Betsky...[et al.