The Science and Application of Positive PsychologyJennifer S. Cheavens, David B. Feldman · First published 2021Open the Tome
Why do dogs have wet noses? and other imponderables of everyday lifeFeldman, David · First published 1991Open the Tome
When Do Fish Sleep? And Other Imponderables of Everyday LifeDavid Feldman · First published 1989Open the Tome
Why do clocks run clockwise? and other imponderablesFeldman, David · First published 1987 · Latest edition 1988Open the Tome