Systems Science

Kids love asking big questions about space: How hot is the Sun? What are planets made of? What do astronauts see in space? Their questions won’t stop there — and they don’t have to. Our Solar System for Kids 8–12 turns every “why” and “how” into a moment of discovery. Your child will feel like a brave explorer as they learn real science through storytelling.

Learn how to destroy the universe with the power of astrophysics Based on real questions from children, expert author Dr Matt Bothwell has created the Supervillain Academy to teach astrophysics to middle graders “Could you crash the Moon into the Earth?” “If the Sun explodes, would we all...

When it comes to choosing, using, and maintaining a database, understanding its internals is essential. But with so many distributed databases and tools available today, it's often difficult to understand what each one offers. With this practical guide, Alex Petrov guides developers through the concepts behind modern database and storage engine internals.

After my last fight with Darius Windstorm, the Refuge has struck. With the Blobber world consumed by war, I know there’s only one place my team and I can find safety, and we start a frantic quest to find the runaway warriors in the deepest recesses of the dungeons. Even with a few new friends, the overbearing System won’t stay down for long. A reckoning is coming, and my status as a warlord means I’ll be at the forefront of any new strike against their world.

Despite what major media sources say, violence against Native women is not an epidemic. An epidemic is biological and blameless. Violence against Native women is historical and political, bounded by oppression and colonial violence. This book, like all of Sarah Deer's work, is aimed at engaging the problem head-on - and ending it. The Beginning and End of Rape collects and expands the powerful writings in which Deer has advocated for cultural and legal reforms to protect Native women from endemic sexual violence and abuse.

What if the key to healing lies in embracing the parts of yourself you've been taught to suppress? Transformative Shadow Work is your all-in-one guide, workbook, and journal designed to help you integrate your hidden self, break free from emotional triggers, and step into self-acceptance.

Knells plans have begun to come together. His crew grows larger and more powerful with every passing day, and rumors of Captain Sorfina's death have already started to spread but not all attention is beneficial. A group who have lurked in the shadows for centuries are moving once more, and their leaders motives are just as shrouded as their past. More pieces enter the board of looming war, and Knells crew finds itself at the center of everything, whether they want to be or not.

Solar Power for Beginners uses stepwise instructions, tons of real-life examples, and various schematics that make your solar learning life easier. DIY Source authors have consulted with numerous mobile solar power DIYers, electrical and photovoltaics engineers, and off grid solar professionals to prepare a solar guide to power your adventures.

Warren is kicking butt in the games... and his cancer is kicking his butt, right back! In order for humanity to survive, they need Warren. Now, it's time for the team to risk it all to help him heal. There's more tower to conquer, alien planets to explore, and giant squid thingies to kill...

This comprehensive audiobook is your ultimate guide to small space gardening success. Based on proven scientific principles and real-world experience, we'll take you from complete beginner to confident garden manager.

For Sister Catina De Baciu, surviving the evils of Colony 76 was all the adventure she needed. Her homecoming to the planet Kasian should have heralded a quiet, peaceful life. But her arrival was not empty-handed. And secrets, even those nestled deep in the earth, rarely stay hidden. It wasn't long before the Transport Administration, cuffs in hand, appeared at her door...

There is no shortage of democracy, at least in name, and yet it is in crisis everywhere we look. From a cabal of plutocrats in the White House to gerrymandering and dark-money campaign contributions, it is clear that the principle of government by and for the people is not living up to its promise. The problems lie deeper than any one election cycle. As Astra Taylor demonstrates, real democracy - fully inclusive and completely egalitarian - has in fact never existed. In a tone that is both philosophical and anecdotal, Taylor invites us to reexamine the term.

To gain his Master Class, John Lee made a deal with the Erethran Empire. Now, the empire has come to collect on the debt, forcing him to appear in their capital after his last fight. Thrown into Galactic politics of a militarized, system-based society, John will have to weigh consequences of the decisions he's been asked to make and confront the warped reality of a system-created empire. When politics, self-interest, and a human's stubbornness collide, the very stars are threatened.

John Lee has left Earth behind him as he travels to the capital of the Galactic Council. Seeking rest and an answer to what the enigmatic System is, John plans to spend his time reading and researching on Irvina. But fate has other plans for the human Paladin. Faced with a new quest and a Galactic Society that is as unfair to its citizens as it was to Earth, John must decide if his desire for a quieter life outweighs his conscience.

Finding his way back to Earth through a portal, John returns to a very changed world. The shackles of galactic control have bound Earth and humanity ever tighter to the system. Now, John has to find a way to free Earth from galactic control while battling stronger, more powerful enemies. And worst of all, he will need to indulge in politics. Good thing he's got a new class and new allies.

In Strange New Worlds, renowned astronomer Ray Jayawardhana brings news from the front lines of the epic quest to find planets—and alien life—beyond our solar system. Only in the past two decades, after millennia of speculation, have astronomers begun to discover planets around other stars—thousands in fact. Now they are closer than ever to unraveling distant twins of the Earth. In this book, Jayawardhana vividly recounts the stories of the scientists and the remarkable breakthroughs that have ushered in this extraordinary age of exploration.

Weary and tired from playing galactic bounty hunter and assassin, John and his crew of intrepid human survivors find themselves in Spaks after their latest escapade bring more heat than ever. In the outcast station of rebels and pirates, John is caught up in galactic politics once again. As trouble approaches on the hyperdrive engines of his many enemies, John finds answers to the System Quest and even more questions in the Rebel Station.

More potatoes for the Potato Lord! More workers for the potato plantations! I have mastered the Mage, resisted Temptation, and even learned to brew my own System Cider. But soon the curtain between System zones will fall. What waits behind it? People? People on boars?!

Packed with real science and fueled by imagination, a beautifully illustrated guide to traveling in our solar system Imagine taking a hike along the windswept red plains of Mars to dig for signs of life, or touring one of Jupiter's sixty-four moons where you can photograph its swirling storms...

Ten years ago, the world changed. The System brought dungeons and monsters to earth. Billions were lost. While most try to rebuild, Claire chooses to take revenge on the people who took advantage of orphans in the chaos—100 names, 100 targets. In this often brutal story about a world in chaos, Claire will kill every target on her list. No matter what it takes.