… book, "The INS on the Line: Making Immigration Law on the US-Mexico Border, 1917-1954" … Professor S. Deborah Kang … book, "The INS on the Line: Making Immigration Law on the US-Mexico Border, 1917-1954" On October 23, the MacMillan … region. Kang’s book contributes to borderland studies by writing about the understudied aspects of life on …