Best Selling Books by Richard Hantula

Describes what can cause space debris, the problems it can cause, and how to clean up the pollution of space around the Earth and beyond.

Discusses the possibility of different forms of life within and outside of the solar system.

Examines the mass extinction of dinosaurs and offers a possible explanation of the causes.

Briefly discusses facts and fantasies about unidentified flying objects.

An examination of the contributions that Earth''s nations have made toward the exploration of the universe.

Presents a history of the sun and the nine planets, and discusses satellites and asteroids.

Readers learn how scientific principles come into play with sports.

Readers learn how scientific principles come into play with sports.

Readers learn how scientific principles come into play with sports.

This book shows you how amazing and invisible forces work, along with the impact they have on our everyday lives.

Discusses ancient beliefs and theories about the universe, including the sun being the center and the Big Bang theory.

Compares what writers over the centuries have written about an imaginary future with the reality revealed by time.

Explores the life and career of Thomas Alva Edison, inventor of the electric light bulb, the phonograph, and many other innovations.

Explains key concepts in biology, including evolution, ecosystems, and food webs.

Explores star groups, the Magellanic Clouds, the Milky Way, black holes, and different types of galaxies including elliptical, spiral, and cannibal.

A description of Mars, the fourth planet from our sun, which includes information on the controversy over possible life on Mars, on the planet''s moons, and on space probes and spacecraft which have studied it.

Intrduces the smallest known planet in the solar system as well as its moon.

Presents a variety of astronomy projects, including modelmaking, sky observation, and experiments.

Offers an account of how scientists and amateurs use instruments such as space telescopes, radio telescopes, and particle detectors to study the universe.

This book explores the geography, history, people, government, and economy of the Island of Enchantment. Lists of key people, places, celebrations, plants and animals, cities, and political figures, plus recipes and craft projects, add to the understanding of the commonwealth with a rich and diverse history. All books in the It''s My State! ® series are the definitive research tool for readers looking to know the ins and outs of a specific state, including comprehensive coverage of its history, people, culture, geography, economy and government.

This complete Spanish translation of the highly acclaimed Isaac Asimov''s 21st Century Library of the Universe is ideal for students still developing their English-language skills.

This complete Spanish translation of the highly acclaimed Isaac Asimov''s 21st Century Library of the Universe is ideal for students still developing their English-language skills.

This complete Spanish translation of the highly acclaimed Isaac Asimov''s 21st Century Library of the Universe is ideal for students still developing their English-language skills.

This complete Spanish translation of the highly acclaimed Isaac Asimov''s 21st Century Library of the Universe is ideal for students still developing their English-language skills.

Describes the fourth largest known planet in the solar system, examining its size and composition, its surface features, its orbit, and efforts to learn more about this planet.

This complete Spanish translation of the highly acclaimed Isaac Asimov''s 21st Century Library of the Universe is ideal for students still developing their English-language skills.

This complete Spanish translation of the highly acclaimed Isaac Asimov''s 21st Century Library of the Universe is ideal for students still developing their English-language skills.

Offers a description of Earth, the third planet from the sun, which includes information on its origins, composition, and unique characteristics.

This complete Spanish translation of the highly acclaimed Isaac Asimov''s 21st Century Library of the Universe is ideal for students still developing their English-language skills.

This complete Spanish translation of the highly acclaimed Isaac Asimov''s 21st Century Library of the Universe is ideal for students still developing their English-language skills.

A description of the sun, the star of our solar system, which includes information on its origin, physical composition, and characteristics, as well as on studies made of the sun by instruments and satellites.

This complete Spanish translation of the highly acclaimed Isaac Asimov''s 21st Century Library of the Universe is ideal for students still developing their English-language skills.

Gareth Stevens Vital Science books are designed to help prepare students for NCLB science testing by reinforcing key concepts across the science curriculum. The eight volumes in Physical Science use clear language and a variety of photographs and diagrams to increase students'' understanding of forces and motion; light, heat, electricity, magnetism and sound; and the properties of objects they encounter in their daily lives. Two volumes discuss the history of science and the role of science in society.

Isaac Asimov''s 21st Century Library of the Universe draws upon the wit, enthusiasm, and enormus number of facts about space found in previous editions of Library of the Universe. Also included is substantially updated information to keep young astronomers in step with current details about the universe.