On occasion, sports books have been used as source material for film adaptations.
Popular sports in the United States such as baseball and American football have been adapted to film.
Books about sports such as boxing, bullfighting, cockfighting, football, hockey, hunting have also been adapted.
(Popular and legal in Mexico) Professional, college, high school (Terrorism became a regular part of news reports in the early 1970s, and this theme was extended to popular fiction.)
Professional and university (Lacrosse is the official national (summer) sport of Canada) (Yachting)