Gray, Leon

Describes the horrible jobs that were performed during the Industrial Revolution, including, trapper, tanner, and coal miner.

Describes what electricity is and how it works.

Describes some of the most unpleasant jobs during the Industrial Revolution including work in factories, mills, manufacturing, and service.

Provides information about elements and the periodic table, including atomic structure, how the table is arranged, and the different types of elements.

Tap the screen of your smartphone to open an app, or swipe your finger across the screen to make the smartphone do something else. However, that touch screen has been years in the making and is a complex piece of what is now essential technology. Readers will find out how layers of glass, metal, and LEDs work together to make a touch screen work.

Social networks are part of daily life, but there seems to be no end to the number of comments and pictures one can post. Internet e-mail providers, such as Gmail and Hotmail, are similarly common and seem to have infinite storage space. Cloud computing is part of the reason.

When taking a road trip today, some sort of GPS device is essential. It may be built into the car's dashboard, or perhaps it's just an app on a smartphone. But GPS is used for more than just finding your way! Readers will be fascinated by its beginnings as a military system and its many modern uses.

Discusses the history and evolution of touch screens and describes how they work, where they are used today, and possible future developments in the field.

This lively guide to the wiki phenomenon narrates the history of wikis, explains how they work, and projects the future of these collaborative, content-driven sites based on developments already under way.

An introduction to practicing smart personal habits that focuses on puberty and provides information and advice on growth spurts, body hair, acne, family matters, diet, and other related topics.