- -

• 
  
  Butterfly
  Provides detailed information on the life cycle of a butterfly.
  
  
  
  
• Castle
  Describes the castles of the Middle Ages and the lives of the people who lived in them.
  
• Explorer
  Provides detailed information on the world of exploration, from early expeditions to high-tech trips into space.
  
• Olympic Games
  Presents the history of the Olympic games from ancient Greece to the present.
  
• Titanic
  Provides an introduction to the Titanic, from its maiden voyage to its wreck on the ocean floor.