Squire, Ann

Introduces different types of rocks and minerals and where they are found.

Describes the physical characteristics, behavior, and habitats of lemmings.

"Learn all about sinkholes, from how they are formed to how they can affect people around the world"--Provided by publisher.

Uses photographs and other recent findings to describe the atmosphere and geographic features of the planet Mercury.

Explores Neptune's size, distance from Earth, atmosphere, moons, and rings, as well as the history of study of the planet.

Introduces readers to reptiles.

Examines how hydrofracking works, how it used today, and the controversy surrounding it.

Explains what gemstones are, the scale to rank hardness called the Mohs' scale, how stones are weighed, how they are formed, how stones are cut, and non-jewelry uses for gemstones.