By Claire Aldridge and the Staff of Kaplan, Inc. by Stuart and the Staff of Kaplan, Inc. By Claire Aldridge, Glenn E.Croston and the Staff of Kaplan, Inc. Robert Stanton and the staff of Kaplan, Inc. Claire Aldridge, Glenn E. Croston, and the staff of Kaplan, Inc. By Claire Aldridge,Ph.D.,Glenn E.Croston,Ph.D.and the staff of kaplan,Inc. by the Staff of Kaplan, Inc. By Claire Aldridge,Karl Lee and the Staff of Kaplan Test Prep and Admissions By Claire Aldridge, Karl Lee, and the Staff of Kaplan Test Prep and Admissions By Marilyn J.Rymniak, Janet A.Shanks and the Staff of Kaplan, Inc.