This reader is an introduction to the treacherous trek of the zebra, walrus, and Christmas Island red crab to overcome obstacles that include hungry cheetahs, stinging yellow crazy ants, and even their fellow species to make the often impossible journey of their lives.

Introduces robots and the science behind these amazing machines, including a historic timeline of robot development, common jobs robots perform in the workplace and at home, and robots of the future.

Describes what are meteorites, and where do they come from?

Learn about wildfires and how firefighters fight them.

Celebrated in a film featuring Omar Sharif in his final role, meet the scientist known as the "Father of Optics," Ibn al-Haytham! During the golden age of science, knowledge, and invention in Muslim civilization -- also known as the "Dark Ages" in Western Europe -- this incredible scholar discovered how we see and set the stage for the methods we now know as the scientific process.

"Facts, pictures and information about dogs for young children"--

"Biography of Buzz Aldrin for beginner readers"--

"Information about how animals build their homes, for beginner readers"--

"Are these strange animals the stuff of nightmares or aliens from outer space? Turns out, they're real undersea animals! Find out how deep-sea creatures use bizarre and fascinating adaptations to survive in their harsh environments in this Level 3 Reader."--

"100 fun facts about rocks, minerals, gems, and all things shiny"--