Most Popular Books by Richard Hantula

A very basic look at how cell phones work.

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

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 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.

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.

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.

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.

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

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

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.

Learning the science behind solar energy.

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.

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