Science Universe

A powerful new threat forces the Alliance to abandon Earth. They leave a small force behind, praying it will be enough to protect humanity from enslavement - or worse, extinction. Meanwhile, the fleet splits into separate missions, each of them vital in rebuilding Earth Alliance forces. A galaxy-shaking conflict is taking shape, with Earth in the eye of the storm. Everything depends on Chase, Chris, Sarah, Daniel, and the other heroes of the Earth Alliance fleet. The stakes have never been higher.

The first of the seven books set in the Liaden Universe tells a rich and sweeping story of warring families and star-crossed lovers in a fantastic, other-world galaxy.

Captured and tortured by the brutal tyrant, Argonox, Reigh's worst fears have now been realized. Argonox has successfully twisted his mysterious dark power for a truly evil purpose - reanimating the long-deceased legendary dragonrider, Beckah Derrick, and her monstrous king drake. But Argonox's cruelty won't end there, and Reigh fears the worst is yet to come. Rescue is unlikely as the Tibrans prepare to make their final strike, poised to break Maldobar's ranks of proud dragonriders once and for all.

On March 21, 2013, the European Space Agency released a map of the afterglow of the big bang. Taking in 440 sextillion kilometers of space and 13.8 billion years of time, it is physically impossible to make a better map: We will never see the early universe in more detail. On the one hand, such a view is the apotheosis of modern cosmology; on the other, it threatens to undermine almost everything we hold cosmologically sacrosanct.

Centuries in the past, mankind fought a seemingly unbeatable adversary from sector to sector across the Spiral Arm until the war ground to a standstill and the Enemy withdrew. Believing that they had won, the citizens of the galaxy rebuilt. The Inner Worlds, which had escaped the worst of the war's ravages, became even more insular, while the Rim worlds adopted a free and easy way with law and order. Now, hundreds of years after their withdrawal, the Enemy is back - and this time they'll be satisfied with nothing less than the extinction of the galaxy.

As a Mech Warrior of the Draconis Combine, Minobu Tetsuhara was bound by Bushido, a code that demands loyal service to the devious Warlord Grieg Samsonov. But when Minobu came upon a strange blue and gold Archer, Bushido also dictated that he not destroy the honorable but helpless warrior. And so he rescued Jaime Wolf.

Egypt, 1912. In an alternate Cairo infused with the otherworldly, the Ministry of Alchemy, Enchantments, and Supernatural Entities investigate disturbances between the mortal and the (possibly) divine. What starts off as an odd suicide case for Special Investigator Fatma el-Sha’arawi leads her through the city’s underbelly as she encounters rampaging ghouls, saucy assassins, clockwork angels, and plot that could unravel time itself, in P. Djèlí Clark's Tor.Com Original, A Dead Djinn in Cairo.

Clan Jade Falcon’s war efforts draw closer to Terra, but to conquer this ultimate prize, the Falcons’ vicious Khan, Malvina Hazen, must be able to trust all of her warriors to carry out her commands without hesitation—no matter how much death or collateral damage they will cause. For Malvina, victory is the only thing that matters, and those who stand in her way suffer swift and brutal elimination.

Quinn Black thought his work was finished. After all, in the years since he discovered he could time travel, he saved the human race from disaster and restored hope to the world. At least in the current timeline of the universe. Out in the multiverse, the Earth—and everyone he loves—is in trouble again. Someone sent Quinn's team a video begging for help. If Dr. Green's assessment of reality is correct, how will he find his way home if he gets lost in the vast expanse of the cosmos? However, the alternative might be worse.

Michael returns to fulfill a promise to his love, but the world isn't the same place. Michael just wants a little sleep. The last few days have been a bit of a learning overload after coming back 150 years after he was blown apart by a backpack nuke. The world destroyed itself, there are anti-gravity cars and ships, and his love is in the stars...somewhere. Plus, there is a vampire trying to make Europe his personal fiefdom.

When a nascent AI hacks her holo device, Molly Bates has to think fast and get out of the military before anyone discovers what has happened. The only problem? The swiftest way out is also the most embarrassing. Mortifyingly embarrassing. Ever the underdog, Molly refuses to stay down. What follows is a rough and tumble adventure that takes Molly and her team of change makers up against an enemy with power they had not considered.

Channeled directly through the Archangels, primarily Gabriel and Metatron, Archangel Alchemy is an angelic energy healing system that aligns you with the angelic kingdom and allows you to connect with your purest divine blueprint.

From the nightmarish landscape of the Mirror Universe Earth to the joys of impending parenthood and marriage to the woman he loves, James T. Kirk is propelled into his most personal and dangerous mission yet, as he fights to uncover the secret of Emperor Tiberius' return, and learn the terrible truth behind the madman's real plans for the Federation. Written and read by William Shatner!

The Adventurer. The Great Snurkab. The Caretaker. Constance Verity returns, having accepted and secured her place in the universe while juggling her expanded life. Until she comes up against The Caretaker’s nemesis, a foe she can’t just beat the hell out of, Connie must defeat the idea of inevitable entropy, the end of everything.

Prepare for success on the CLEP Natural Sciences Exam with our comprehensive study guide, "Conquer the CLEP Natural Sciences Exam." This invaluable resource is designed to help you master the content and concepts tested on the exam, covering both Biological Science and Physical Science topics in depth. With a focus on the most essential content areas, our study guide is organized to align with the exam's format and content breakdown. In the Biological Science section, which constitutes 50% of the exam, topics such as the origin and evolution of life, classification of organisms, cell ...

Fleeing the scene of his latest mission, Val Con yos'Phelium finds himself saving the life of ex-mercenary Miri Robertson, a young Tarren on the run from interplanetary assassins. Thrown together by circumstances, Val Con and Miri struggle to elude their enemies and stay alive without slaying each other - or surrendering to the unexpected passion that flares between them.

The universe is rapidly expanding. Of that much scientists are certain. But how fast? And with what implications regarding the fate of the universe? Ellen Jackson and Nic Bishop follow Dr. Alex Fillippenko and his High-Z Supernova Search Team to Mauna Kea volcano in Hawaii, where they will study space phenomena and look for supernovae, dying stars that explode with the power of billions of hydrogen bombs. Dr. Fillippenko looks for black holes--areas in space with such a strong gravitational pull that no matter or energy can escape from them--with his robotic telescope.

Ryn Tyler finally found her home - and demons are out to destroy it. After a lifetime of searching for where she belongs, Ryn knows it's in Eagle Valley...but war threatens to take that all away. Attending an angels-only high school should help her master her magical abilities, but stopping the upcoming battle is more important. Ryn trains in secret with the help of her mentor, Marek, a bad boy who can't decide between duty and love - and who's already stolen Ryn's heart. But the arrival of another Davina complicates things, and Ryn finds herself torn between the two boys.

Amy and Elder have finally left the oppressive walls of the spaceship Godspeed behind. They're ready to start life afresh - to build a home - on Centauri-Earth, the planet that Amy has traveled 25 trillion miles across the universe to experience. But this new Earth isn't the paradise that Amy had been hoping for. Amy and Elder must race to uncover who - or what - else is out there if they are to have any hope of saving their struggling colony and building a future together. But as each new discovery brings more danger, Amy and Elder will have to look inward to the very fabric of what makes them human on this, their most harrowing journey yet.

With tentative peace established in Faerie, Thierry returns to her job as a conclave marshal in Texas while the countdown to her coronation begins. But what happens in Faerie doesn't always stay in Faerie. A crown wasn't Thierry's only souvenir from her trip. Her new husband, Rook, is scheming again, and this time his plans are invading her dreams.