"The US military is under cyberattack. Gizmo and invisible Six must discover who is behind this attack and the culprits' aim. But the mysterious hackers seem one step ahead of I-6 at every turn." -- Adapted from back cover.

"Amazing photography accompanies engaging information about Marine Expeditionary Units. The combination of high-interest subject matter and light text is intended for students in grades 3 through 7"--Provided by publisher.

After a series of tightly coordinated attacks shatters America's energy-producing capacity, Andreas calls on his long-dormant Army Ranger skills as he follows the trail of the terrorists.

Fergus Frew thought he knew what to expect when he signed up with the Navy's demolitions team. But as the Korean War rages on, Fergus and his fellow divers -- a.k.a. "frogmen" -- are tasked with more than just scouting mudflats. Soon they're planting mines. And sabotaging tunnels, bridges... and even fishing nets. Scariest of all, it falls to Fergus to discover where the enemy has placed their mines, a job as painstaking as it is dangerous.

Describes the weapons and equipment used by U.S. Army Rangers. Also describes the various jobs and responsibilities of Army Ranger troops.

"As a tropical cyclone churns across the Pacific, a cargo plane carrying nuclear weapons vanishes in the storm. Bicep and Invisible Six must recover the missiles before they fall into the wrong hands. Their mission takes them to a remote US military outpost in the Pacific. But the base soon comes under attack. Can Bicep and I-6 hold off an invasion long enough for backup to arrive?"--Page [4] of cover.

From their birth in World War II as combat swimmers clearing the beaches of Normandy to their evolution into fighting men who could operate anywhere in the world by sea, air, or land, the intrepid story of the US Navy SEALs is one of courage, sacrifice, and world-renowned toughness that echoes of other great military units of history--the Spartans, the Roman legions, or the samurai. Take a look inside to find out what makes the SEALs America's deadliest...

"Little readers will learn the essentials of the United States Navy SEALS (how the Navy SEALS keeps us safe, various jobs, weapons and machinery, and more) through easy-to-read, simple text. Readers will love the exciting full-bleed photographs, bolded glossary terms, and More Facts section. Aligned to Common Core Standards and correlated to state standards"--Provided by the publisher.

"In this action-packed thriller in the New York Times bestselling Tom Clancy's Op-Center series, America's elite task force must take down a group of ruthless domestic terrorists determined to paralyze the country through extreme acts of violence. They are known as the Black Order. Self-proclaimed patriots and survivalists, they refuse to surrender their values and beliefs to the left-leaning cultural and progressive forces threatening their nation....

Lawyer Claire Chapman of Boston swallows her pride and agrees to defend her husband, accused of murdering 87 peasants while a U.S. soldier in El Salvador. He admits marrying her under an assumed name after undergoing plastic surgery, but swears he is innocent, framed by his commanding officer who is now an important general.