National Geographic kids readers. Level 3

Photographs and text trace the migrations of whales as they travel the world's oceans in search of food and mates, and provide information about the physical characteristics and behavior of whales.

Photographs help trace the migrations of monarch butterflies from northern North America to the Oyamel forest of Mexico, describing the harsh conditions they face and the survival methods they use during the migration.

Discusses Cleopatra's life, achievements, and legacy, as well as why she continues to fascinate generations of readers.

Explore the history of Ellis Island, one of the most recognized landmarks in American history. Kids will learn about its early history as a Mohegan island and rest spot for fishermen through its time as a famous immigration station to today's museum. The level 3 text provides accessible, yet wide-ranging, information for independent readers.

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