
Trees and other plants make our world look beautiful, but did you know that plants use their leaves to help keep the air clean and safe for us to breathe? This book takes readers step-by-step through a clear, grade-appropriate explanation of how plants remove carbon dioxide from...

Some plants have glossy green leaves. Some have colorful flowers. Some plants have long, sharp spikes. Amazing to look at and painful to touch, cacti and other prickly plants are always a favorite with young children. This book explores how many plants use thorns or spikes to...