Hunter, Ryan Ann

Provides an illustrated chronology of flight, from prehistoric insects to future spacecraft.

Describes different kinds of bridges: how they are built and how they are used.

Profiles the lives of thirty women from history who risked their lives to work as spies for their countries.

A collection of biographies of real women who were spies throughout history and around the world, including Virginia Hall, Sarah Emma Edmonds, Josephine Baker, and Eva Wu.

Rhyming verse describes the many things that robots can do, while sidebars present more detailed information on actual robots already in operation, and those planned for the future.

Describes the history and construction of skyscrapers.

Surveys the history, achievements, activities, and technology of aviation.

Simply describes a variety of tunnels, how they are built and how they are used.

Provides an illustrated chronology of flight, from prehistoric insects to future spacecraft.

Describes different kinds of bridges: how they are built and how they are used.