-- This series looks at the physical world from a scientific, geographical, and historical point of view.
-- Maps, diagrams, experiments, landscape models, and projects help kids understand the concepts of earth science.
-- Step-by- step explanations of basic geographical principles.
-- An invaluable science series for school and home.
  • ISBN10 0716651114
  • ISBN13 9780716651116
  • Publish Date 1 December 1961
  • Publish Status Active
  • Publish Country US
  • Imprint World Book
  • Format Paperback (US Trade)
  • Pages 48
  • Language English