Provides information about satellites, their history, how they are used to photograph the Earth's surface, and how they have been used to gather intelligence.

Know your enemy, and that's the best military strategy. The more a country knows about its enemies, the safer it is, and that's where spies come in and gather knowledge. Some spies are secret agents who work overseas, others stay home supporting agents in the field.

Discusses Unmanned Aerial Vehicles (UAVs), describing different kinds and presenting statistics, dates, and true stories of UAVs in action.

Discover mummies! Science as inquiry is the core of this dynamic, investigative, high-interest series which focuses on the science and technology used to solve real-life crimes and mysteries, and includes chapter summaries, reading cues, and sidebar interviews.

Discusses ghost hunters, those who determine whether a ghost is real, or whether a place is really haunted.

Are UFOs real? Science as inquiry is the core of this dynamic, investigative, high-interest series which focuses on the science and technology used to solve real-life crimes and mysteries, and includes chapter summaries, reading cues, and sidebar interviews.

Science as inquiry is the core of this dynamic, investigative, high-interest series which focuses on the science and technology used to solve real-life crimes and mysteries, and includes chapter summaries, reading cues, and sidebar interviews.