A fascinating survey of the history of unidentified flying objects includes detailed accounts of recent sightings and reviews various hypothetical explanations for these mystifying occurrences
Describes the living, eating, and nesting habits of alligators and crocodiles, notes the differences and similarities between these two reptiles, and examines the reasons why these creatures are the targets of hunters
Describes the sun and its relationship to the other stars and planets and considers solar eclipses and the sun's position in the solar system, with full-color and black-and-white drawings, diagrams, and photographs