Albert Schweitzer Reverence for Life The Adventure of Being True to YourselfWalt Martin, Magda Ott · First published 2017Open the Tome
Philosophy of Albert EinsteinAlbert Einstein, Walt Martin, Magda Ott · First published 2015Open the Tome
Cosmic View of Albert EinsteinAlbert Einstein, Magda Ott, Walt Martin, James Alfred Van Allen, Alice Calaprice · First published 2013Open the Tome
