"Providing an early introduction to STEM education, this book uses simple text and labeled photographs to examine a wide range of exciting machines used at the airport, revealing how each machine solv
"Providing an early introduction to STEM education, this book uses simple text and labeled photographs to examine a wide range of exciting machines used on a construction site, revealing how each mach
"Providing an early introduction to STEM education, this book uses simple text and labeled photographs to examine a wide range of exciting machines used on the farm, revealing how each machine solves
"Providing an early introduction to STEM education, this book uses simple text and labeled photographs to examine a wide range of exciting machines used on the road, revealing how each machine solves
