PlasticsDiscusses plastic as a material, including historical uses, current uses, manufacturing, and recycling. Describes the many different types of plastics and how to lessen their impact on the environment.

a big "bloom" forms

As long as people have lived in community they have had systems of government

It’s the tale of a globetrotting explorer and the bounty of bizarre bits-and-bobs he collects on his adventures

Each book features 25 stories of women and girls who have dazzled the world with their leadership skills

reduced bone mass

" Named a Riverby Award winner in 2024

colored pencil

taking in vertical parades

Armored tanks and agile fighter jets

every team's origins

There are thousands of objects in the museum

In this fourth book in the series