Author: Debbie Vilardi

This book introduces readers to the elephants, camels, mules, and other animals that have helped militaries carry essential supplies such as weapon...

This book introduces readers to the science behind migration. Students learn about the hunger and nesting factors that motivate birds to fly south ...

This book introduces readers to the science behind salt water. Students learn about erosion and evaporation, two processes that contribute to the o...

This book introduces readers to the science behind animal adaptations. Students learn about how camels humps help them store food and remain cool i...

This book introduces readers to the science behind spider webs. Students learn about the uses of spider silk and the different purposes of differen...

This book introduces readers to the science behind aviation. Students learn about the four forces of flight: gravity, lift, drag, and thrust. Vivid...

This book introduces readers to the science behind rainbows. Students learn about the different wavelengths of light and the bending of light throu...

This book introduces readers to the science behind cloud formation. Students learn about evaporation and condensation and about clouds place in the...

This book introduces readers to the science behind the sky. Students learn about the makeup of the atmosphere and the different wavelengths of ligh...

Many inventions of the 21stcentury have changed the way people live their lives. This series highlights these great inventions and prompts students...

This book introduces readers to the developing technology of 3-D printers, including a wide range of examples and a look to the technologys future....

This book introduces readers to the developing technology of electric cars, including a look at the technologys future. Vivid photographs and easy-...