Henry Ford Y El Automóvil Modelo T

What do a shark, a seahorse, and a ray have in common? They're all fish! Learn about the characteristics that all fish share.

What causes sound? How does sound travel? Sound begins when matter vibrates. Without this vibration sound could not move and nothing would make any noise. Starting with tiny molecules, this book explains the main concepts of sound and furthers understanding through a series of easy-to-do experiments that will appeal to readers of all ages.

What makes a good friend? Soy un buen amigo (I Am a Good Friend) teaches students about friendship. The clear, text-supported images and simple, repetitive sentences will engage students in reading as they build their social studies content knowledge. For use in the classroom or at home, this Spanish book includes a glossary and index to introduce informational text features to young readers and provide additional reading support.

Even before Christmas celebrations began, evergreen trees were used as part of winter festivals and celebrations. Today, many people still bring a real fir tree into their home at Christmastime, or an artificial tree that may come in any color including green, silver, or pink. Written with age-appropriate language and content, this book explains the symbolism behind our use of Christmas trees today and the many famous trees readers may know, including the huge tree at Rockefeller Center in New York City.