Our World - Word by Word Graded Readers for Children, #11

In this, the 11th book in the Word by Word series, the young readers will use their new skills to discover fascinating scientific and historical facts about our world.  These range from how things started - from gas and dust to stars and planets, how conditions on Earth have changed, through the first life to the development of all the different kinds of life we see on Earth in modern times. All this using the strictly controlled structure and vocabulary mastered in the previous 10 Word by Word easy readers.