Who wrote the Traditions and Encounters Textbook?

I believe I've found the source of all those "Aryan" culture questions appearing in various sections. Apparently the term appears in a World Civilization textbook called Traditions and Encounters: A Brief Global History. I am now curious as to who the writer is and why he or she used the term Aryan instead of Indo-Aryan or Indoeuropean and how this got past the editors? If people are going to use the term Aryan they really should add a footnote explaining why they prefer this term given the negative connotations of its usage by certain groups? So who wrote this text book?Who wrote the Traditions and Encounters Textbook?
Traditions And Encounters Author: Jerry H. Bentley, Herbert Ziegler