A series of twenty non-fiction science readers which engages children in the world around them. Are all birds able to fly? Is a dolphin a mammal? Where do lemurs come from? You can find the answers to these and other questions about animals in Why Do Monkeys Chatter?

A series of twenty non-fiction science readers which engages children in the world around them. Why do we need forests? Is plastic harmful? Where are gold and gems mined? You can find the answers to these and other questions about the world's resources in Why Do Diamonds Glitter?

A series of twenty non-fiction science readers which engages children in the world around them. Is the tongue a muscle? How do our bones move? Why do we sneeze? You can find the answers to these and other questions about how the body works in Why Does My Heart Pump?

A series of twenty non-fiction science readers which engages children in the world around them. What causes floods? Why do volcanoes erupt? What is the difference between a volcano and an ice storm? You can find the answers to these and other questions about extreme environments in Why Do Glaciers Move?