Most Popular Books by Richard Hantula

An easy-to-use source of quick and reliable information, Its My State! helps young readers identify what is common to and unique about individual states across America.

Explores the different types of stars, black holes, and other celestial bodies, including the star-like objects that emit radio waves, known as quasars.

This comprehensive book outlines the geography, history, people, government, and economy of Indiana. Lists of key people, events, cities, plants and animals, and political figures, plus fact boxes and quotes, provide easily accessible information that is supplemented by activities such as crafts, recipes, and a map quiz. Historic photos, artwork, and other images enhance the text.

Nicknamed the Keystone State for the pivotal role it played in colonial days, Pennsylvania has transformed itself from an industrial hub whose strength rested on coal mining and steel production to a state with a diversified economy that includes natural gas, manufacturing, agribusiness, tourism, and more. This book presents an engaging overview of the history, culture, people, and geography of Pennsylvania, from the urban centers of Philadelphia and Pittsburgh to the rolling farmland of Pennsylvania Dutch country to the Pocono and Allegheny Mountains.

This book explores the geography, climate, history, people, government, and economy of Kansas. 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.

Explores "shooting stars" and famous comets, including Halley''s Comet, Comet Hale-Bopp, and Donati''s Comet.

Explains how solar energy is generated and used, discusses solar panels and solar power towers, and considers the use of solar energy as a renewable resource.

A very basic look at how cell phones work.

A batter trying to hit a home run, a striker trying to score a goal, a quarterback trying to throw a touchdown pass-what do these people have in common? They all depend on science to help them succeed. the laws of science are at work every time hitters step to the plate or quarterbacks step back to throw. In Sports Science, readers learn how scientific principles come into play in their favorite sports.

Explore the geography, climate, history, people, government, and economy of Michigan. The third edition of this popular series provides lists of key people, sites, cities, plants and animals, political figures, industries, and events in the Wolverine State.

Learning the science behind solar energy.

Explains topics relating to science and physics, discussing how they come into play on the racing track. Contains real-world examples and suggestions as to how readers can apply this information to real-world situations. Includes full-color photographs, a

A biography of the scientist and humanitarian who discovered the vaccine for polio, a disease which crippled many people in the early part of the twentieth century.

Readers learn how scientific principles come into play with sports.

Describes the different kinds of rocks and minerals found on Earth, explains how they can change over time, and discusses how fossils are formed and studied.

A description of Jupiter, the largest planet in our solar system, which includes information on its numerous moons, space probes which have studied it, and the 1994 collision of comet remnants with the planet.

Introduces the bodies in space also known as planetoids, minor planets, or when they stray from their paths, meteoroids.

Introduces the third largest known planet in the solar system.

Discusses how people studied astronomy in the past and what they used their observations for.

Presents beliefs of ancient peoples about the night sky, and includes their ways of viewing planets, comets, and stars.

"Explains how electricity is made from a source that will never run out: the energy packed inside the basic units of matter called atoms. This book also examines some of the challenges and problems associated with nuclear power that scientists are working to solve."--P. [4] of cover.

Introduces the fourth largest known planet in the solar system.

A description of Saturn, the second largest planet in our solar system, which includes information on its numerous moons, and spacecraft and probes which study it.

Discusses the history of rockets and spaceflight and how satellites and space probes are used.

An up-to-the-minute examination of the exciting circumstances that mark the beginning and end of the lives of stars. Topics include the fate of our Solar System, red giants, supernovas, neutron stars, white dwarfs, and the birth and eventual death of our special star, the Sun. Book jacket.

Provides tips on how to spot some of the wonders of the solar system and galaxy, with emphasis on viewing from the northern hemisphere; introduces different types of telescopes; and discusses astronomical mysteries and amazing facts.

Recounts the life story of Alexander Fleming, his study of medicine and bacteriology, and his discovery of penicillin.

Describes the characteristics of the small planet closest to the sun whose day is twice as long as its year.