When a rainstorm prevents Nancy and her best friend, Robert, from getting to the planetarium the night of a class field trip, she has a brilliant idea for making things better.

On a nature hike with her class, young Amelia Bedelia's literal-mindedness causes confusion along with some laughs.

After the age of the dinosaurs, strange and powerful mammals ruled the earth.

A child observes the arrival of spring and its effects on plants and animals. Includes suggestions for nature study projects.

"Winter turns to spring in this lyrical book that celebrates the magic of nature and the changing seasons. Eleven gatefolds open to recreate the excitement and surprise of spring's arrival"--

A mother and child plant a rainbow of flowers in the family garden.

Everyone's favorite first-grade shark expert is back! With more than 3 million copies sold, it's clear that kids are ready for Freddy!Now that Freddy's in first grade he needs a real science experiment for the school fair. But Freddy isn't a science whiz like his best friend, Robbie. When he finally comes up with a plan -- growing mold -- his mom accidentally throws it away! Can he recreate it in time? Or will the fair be a total flop? ...

Learn basic facts about the planet Mars and its place in the solar system.

What Is a Solid? offers emergent readers a simple explanation of matter, a description of solids, and examples of how solids can change into different states of matter.