Indiana proudly calls itself the “Crossroads of America” and “Main Street of the Midwest.” Both historically and in modern times, the state’s central location has served the travel of people… More →
Grade 7
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Long ago, the cemeteries of Paris were overflowing with dead bodies. The solution? Dig up the bones and move them to quarries beneath the city. Now the dark tunnels are artfully lined with… More →
Everyone knows that mosquitoes are bloodsuckers. But did you know that some can cast the shadow of death with a bite? They spread malaria and life-threatening fevers through their saliva.… More →
When United States infantry troops need support, a UH-60 Black Hawk prepares for liftoff. This utility helicopter can carry 11 fully equipped soldiers into battle and transport injured troops More →
For missions that need immediate attention, the B-2 stealth bomber takes to the runway. This flying wing can reach any target in the world in a matter of hours. The bomber’s flat frame is… More →
Mountain climbing is about the challenge. It's about rising above difficulties to reach the breathtaking views that wait atop mountains. Let this book get you geared up for rock climbing,… More →
Sunshine, solid ground, and fresh air. You don't find these things in underground coal mines. Miners must be prepared to work in pitch-black darkness and survive explosions, cave-ins, and the More →
Don't touch the deathstalker scorpion! If it doesn't nab you with its pinschers, it will sting you with toxic venom from the end of its tail. Read about the deathstalker before you become its More →
Considered the most capable multi-role fighter, the F-16 Fighting Falcon can weather any storm. The streamlined aircraft will fly more than 500 miles to meet the enemy, locate targets under… More →
The polar bear is the largest meat-eater living on land. It has an appetite for seals, walruses, and whales, but it is not picky when starving. Come face-to-face with a hungry polar bear and… More →
Recon Marines are sent on high-risk knowledge quests. They travel inside enemy territory to gather intelligence for military leaders. With the top secret information they collect, the U.S.… More →