Describes different types of guns and other firearm weapons, including rockets, grenades, tranquilizer guns, and tasers, and explains each weapon's use.

"Firearms, tanks, airplanes, ships, and explosives all played a part in World War II. Militaries on both sides of the conflict invented powerful new weapons to overpower their opponents. This title explains the major weapons of the war, how they were used, and when they were most important. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary,...

"Hippos and polar bears are both fairly large mammals that spend much of their time in water, but is that where their similarities end? Readers of this captivating book will find out the answer to that and many more questions as they imagine these two beasts battling it out. Colorful photographs and a dynamic page layout assist with the understanding of key elementary science concepts. After reading all the facts, readers can judge this epic battle...

"In science fiction, energy blades are weapons or tools that look like glowing swords. How could one of these powerful devices work? Scientists have some ideas, which include using plasma. Discover the science and technology behind what it would take to make a real-life energy blade!"--