human-alien encounters

In 2524, on the colony Harvest, young staff sergeant Avery Johnson and the United Nations Space Command encounter the alien Covenant for the first time.

2535. It is the first, desperate days of the Human-Covenant War, and the United Nations Space Command has enacted "the Cole Protocol" to safeguard Earth and its inner colonies from discovery by its merciless alien foe. Many are called upon to rid the galaxy of lingering navigation data that could potentially reveal the location of Earth and ensure the destruction of humanity. Among those tasked with eliminating any trace of such dangerous information is Navy Lieutenant Jacob Keyes--now saddled with a top-secret mission by the Office of Naval Intelligence...one that will take him to a corner of the galaxy where nothing is as it seems. Out beyond the Outer Colonies lies the planet Hesiod, a gas giant surrounded by a vast asteroid belt. As the Covenant continues to glass the human-occupied planets near Hesiod, many of the survivors, aided by a stronghold of human insurrectionists, are fleeing to the asteroids for refuge. They have transformed the tumbling satellites into a tenuous yet ingenious settlement known as the Rubble--and have come face-to-face with a Covenant settlement of Kig-Yar...yet somehow survived. News of this unlikely treaty has spread to the warring factions. Luckily for the UNSC, this uneasy alliance is in the path of the Spartan Gray Team, a three-person renegade squad whose simple task is to wreak havoc from behind enemy lines in any way they see fit. But the Prophets have also sent their very best--an ambitious and ruthless Elite whose quest for nobility and rank is matched only by his brutality...

A collection of sixteen short stories based on the video game series Halo.

While visiting a space station, Orion Star strays from his group and encounters a group of aliens who are looking for their younger brother.

"Henry visits the Brewster Space Center with his class, but when his best friends think they spot a real life alien and a real life spaceship, Henry goes on an out of this world adventure!"--Provided by publisher.

"Half-alien half-human teenager Syd must choose between destroying humanity to protect the universe, or allowing humanity to live and risking its revenge on the aliens who have imprisoned it"--OCLC.

"Rachel is still reeling from the news that Earth is secretly under attack by parasitic aliens, the Yeerks. Now she and her friends are the planet's only defense -- five kids who, purely by chance, stumbled onto a downed spacecraft and were given the power to morph into any animals they touch. The team's best lead is their assistant principal, Mr. Chapman, who is the human host to a high-ranking Yeerk official. It's not much, but Rachel's always been a daredevil, and she volunteers to infiltrate Chapman's home. Rachel is tough. She's fearless. But what she finds inside may be more than even she can handle."--.

"This book introduces readers to famous UFO sightings, revealing what the legends claim, some possible explanations, and what people still don't know for sure"--Provided by publisher.

"This book introduces readers to places where crop circles have suddenly appeared, some possible explanations, and what people still don't know for sure"--Provided by publisher.

"Leo Fender is no stranger to catastrophe, whether it's the intergalactic war that took his mother's life or the ongoing fight for his own. He's seen his planet plundered, his ship attacked, his father kidnapped, and his brother go missing--and found himself stranded on a ship with a bunch of mercenary space pirates. Still, nothing could have prepared him for the moment he and the crew tried to save his father . . . and discovered a dark plot that could destroy hundreds of worlds in the blink of an eye. Now Leo is adrift. His father has sent him on a mission with nothing but a data chip and a name of someone who could help, and Captain Bastian Black and the crew of the Icarus are determined to see this through to the end with Leo, to fulfill his father's wish and prevent further conflict. But as Leo searches for answers, he can't help but wonder what it would take to end the war, to track down his father and brother and return to whatever home they have left--and if the cost of doing so is one he would be able to pay"--Dust jacket.