"This book explores the science behind flight. It looks at topics such as how planes, helicopters, and balloons fly. It also looks at the concepts of gravity, streamlining, drag and thrust."

"This book explores the science behind sight. It looks at topics such as human and animal sight, how the eye works, and methods of correcting sight problems e.g. glasses."

Discusses the legal debate of same-sex marriage, including the history of the gay rights movement, the arguments both in support and opposition of same-sex marriage, and how same-sex marriage is treated around the world.

Discusses the history of, and problems specific to, dams around the world, including Egypt's Aswan High Dam, China's Three Gorges Dam, and India's Narmada Valley dams.

Introduces the clock and the history of telling time, from sundials and water clocks to the extremely accurate atomic clocks of today.

Explores the history of the television, noting significant improvements to the device and important innovators, and examines the different features of modern televisions.

"Readers will learn the history of the invention of the clock in this title that includes information on the key players, the setbacks along the way, and the moments of discovery."

Introduces printing and the history of printing technology, from woodblock prints to new technologies in 3-d printing.

Offers comprehensive coverage of countries around the world. In this series, each book offers complete coverage of one country, including sections on society, geography, culture, people, history, size, neighbours, economy, government, foreign language vocabulary, recipes, flags, and more.

Looks at how hens lay and take care of eggs, and how those eggs develop into chicks that eventually grow up to be chickens.

Introduces readers to the country of Iran, examining its history, geography, wildlife, and culture.

Introduces minerals, discussing how they are formed, where they are found, and their properties and uses.

"Fossils looks at how fossils can form, are preserved, and sometimes discovered."

"Crystals looks at how crystals form, change, and are used in society around the world."

Offers a brief introduction to igloos, covering building materials, construction methods, and the people who live in thse traditional Native American dwellings.

Did you know that people called Inuits once lived in houses made of snow? What other things helped Inuits live in the cold?

"Did you know that bees make honey that they can eat, and we can eat it too? How do bees make honey?"

Introduces a typical day and night in the life of a hyena.

Introduces the kori bustard, a ground-dwelling bird from eastern and southern Africa, describing what it looks like, what it eats, where it lives, how it communicates, who are its predators, and what it does during the day and at night.

Introduces the wildebeest, describing where they live, what they look like, what they eat, how they survive as members of a herd, and what animals are their predators.

"Offering fascinating insight into life in the grassland, this book follows a coyote through its day as it sleeps, eats, and moves."