Bøker i Penguin Core Concepts-serien

Exposing children to a diverse range of literary and informational texts, the Core Concepts program helps develop important literacy and cognitive skills necessary to meet many of the Common Core State Standards. Did you know that every year hundreds of thousands of monarch butterflies migrate 2,500 miles to Mexico for the winter? It takes four generations of butterflies to make the trip, and only the fourth generation lives longer than three weeks. Follow a beautiful butterfly as she makes her journey down to Mexico!Fly, Butterfly covers the concepts Animals and Seasons.

The Story About Ping covers the concepts Family and Problem Solving. This classic children's book was first published in 1933 and is still as delightful and relevant as ever. Ping's owner takes him and his siblings to the river for dinner. When it's time to go, Ping is the last duck in the water and, as such, will receive a spanking. To avoid punishment, he hides—only to be captured the next morning by a young boy for his family's dinner. Finally Ping is set free, and when he sees his master's boat, the last thing he fears is a spanking—he's just thankful to be home!

Hummingbirds are some of the most beautiful, tiniest birds in nature. They are the only creatures that can fly forward, backward, sideways—even upside down! Their hearts beat anywhere from 500 to 1200 times every minute; their wings flap as many as 52 times per second; and they breathe up to 600 times per minute. This fact-and-photo-filled nonfiction 8x8 will leave readers astounded by the smallest bird in America!

Blast off and explore the star of our solar system-the Sun!Billions of stars fill the universe. But for humans, the most important star is the one closest to Earth-the Sun. From vitamin D to solar energy, the Sun provides the power necessary to sustain life on our planet. And as the center of our solar system, the strong gravitational pull from this ball of burning gas keeps all the planets in orbit. Discover the significance of the Sun and its brilliant blaze in this fascinating book!