Introduces simple scientific principles involving soil, and provides instructions for experiments that can be done at home to prove them. Includes full-color illustrations, a glossary, and further reading sources.
An illustrated biography of John F. Kennedy, discussing his early life, his marriage and family, his war record, his political career, and his assassination.
Maps, photographs, and text provide an introduction to Germany, exploring the country's history, geography, culture, government, cuisine, languages, economy, and holidays.
