National Geographic Society
Серия Footprint Reading Library 1900

Описание:
Several strange signs called 'crop circles' have been discovered in the fields of southern England. These mysterious circles are puzzling to everyone, even scientists. There are several theories about who-or what-made them. Could it be humans who did it? Or could it be something else.

Описание:
Beagles are dogs with an extremely powerful sense of smell. They often work at airports to find illegal or unsafe items. Before they can do the job, they must go through training. What does it take to be on the Beagle Patrol? What happens to dogs that don't make it?

Описание:
Tornadoes are large storms that can cause huge amounts of damage and destruction. Most people run from tornadoes, but some researchers chase them! They want to study the storms to develop better methods for predicting them. How do they find these tornadoes? How do they collect their information?

Описание:
Welcome to the sights and sounds of the world with the Footprint Reading Library, a unique new series of graded readers for learners of English. This series offers fascinating stories from the four corners of our world, and develops the language and skill.

Описание:
People from around the world travel to Coober Pedy, Australia, with hopes of getting rich. This town is full of valuable stones called 'opals'. Some opals are worth millions, but they are extremely hard to find. What influences the value of an opal?