The Land of Shorter Shadows
  Non-Fiction Book 

April 1948

Neighborhood Frontiers
  Non-Fiction Book 

November 1954

Hunting the Desert Whale
  Non-Fiction Book 

December 1960
Excerpt in Sports Afield November 1960 to January 1961

Hovering Over Baja
  Non-Fiction Book 

December 1961
Excerpt in Sports Afield September 1961

The Hidden Heart of Baja
  Non-Fiction Book 

November 1962

The Desert is Yours
  Non-Fiction Book 

December 1963
Excerpt in Desert Magazine November 1963 to December 1963
Excerpt in Sports Afield December 1963

The World of Water
  Non-Fiction Book 

December 1964

Hunting Lost Mines By Helicopter
  Non-Fiction Book 

November 1965

Off the Beaten Track in Baja
  Non-Fiction Book 

April 1967

Gypsy Days on the Delta
  Non-Fiction Book 

October 1967

Mexico's Magic Square
  Non-Fiction Book 

November 1968

Drifting Down the Delta
  Non-Fiction Book 

January 1969

Host With the Big Hat
  Non-Fiction Book 

December 1969

Cops on Campus and Crime in the Streets
  Non-Fiction Book 

January 30, 1970
Excerpt in Chicago Tribune-New York News Syndicate January 25, 1970 to February 5, 1970