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.

Fool's Play is the first book in a new series in the System Apocalypse universe. Written by David R. Packer in Tao Wong's bestselling post-apocalyptic LitRPG universe, System Apocalypse: Kismet follows a different path through a post-apocalyptic world, one of hope, redemption, and second chances.

After saying goodbye to his life on earth, he never expected to find a brand new world still awaiting for him. One where immortals flew through the clouds and ancient evils hid below the surface. One where fables, myths, and legends filled every corner. One where he could finally start anew. Now, however, John is about to learn a valuable lesson, for any place humanity rules will always be the same - a domain where sin and ambition can only be tamed by power. Will he have the strength to walk this road on his own or will he be unable to heal the old wounds hidden deep within his heart?

Volume 3 of The Great Mental Models series focuses on systems and mathematics, simplifying more than twenty-four key concepts from these technical fields into easy-to-understand terms. It provides insights into the unseen mechanisms that influence our environment and teaches you how to apply these principles to benefit your life.

As a software developer from Texas, Tom thought he understood broken code. But when mysterious obelisks transform Earth into a glitch-riddled dungeon crawler, he discovers that debugging the apocalypse won't be as easy as turning it off and back on again. Their lifeline? Vending machines turned into miniature storefronts. These mechanical saviors dispensed everything from swords to shampoo—until they started dispensing death.

Modern medical science has finally caught up to what traditional healing systems have known for centuries. Many traditional healing techniques and medicines are often assumed to be archaic, outdated, or unscientific compared to modern Western medicine. Nicole Redvers, a naturopathic physician and member of the Deninu K'ue First Nation, analyzes modern Western medical practices using evidence-informed Indigenous healing practices and traditions from around the world - from sweat lodges and fermented foods to Ayurvedic doshas and meditation.

Ominous Obelisks land on Earth with a single message: Join the Games to give humanity a fighting chance to survive... Or roll over and die. Too bad for them, Warren isn't the rolling over type. Warren is on the Battle World and, in order to survive, he needs to summon his inner diplomat. Warren is no diplomat. But despite lacking a mouth filter, he's forming very unlikely allies. Will they last? Or is Warren just setting himself (and humanity) up for a knife in the back?

Terry Fairway came back from the Underworld stronger, faster—changed. But the power he won came at a cost. He saved a world. He might have damned his own. All across the globe, incursion rifts split the sky, flooding Earth with Awakened invaders from distant worlds. Cities burn. Alliances crack. And Earth’s defenders race to seal the breaches—before the next city falls to ash.

Reidon Ward porte les stigmates d'une existence brutale. Abandonné par des parents incapables de supporter sa maladie dégénérative, il grandit en regardant les circuits de combat, s'entraînant sans relâche dans l'espoir d'un jour rejoindre ce monde et triompher de ses idoles. Son acharnement ne passe pas inaperçu. Quand l'IA omnisciente qui gouverne l'humanité pose son regard sur lui, tout bascule.

For Fool and Jackal, the System Apocalypse was a chance to start again. A chance to rise, and be who they were meant to be. Now, they're trying to offer others the same opportunities as part of a secret organization helping humanity survive the System. Today's mission? Nothing big, just your typical save-the-princess quest. But when you're the Acolyte of a Trickster god, typical is the last thing you should expect. Just ask Fool's cat.

There has always been one last question, one driving motivation for John Lee. Having survived the System Apocalypse on Earth and travelled to the far reaches of the galaxy, the question has always been left unanswered.

Now the site of EBO’s first completed Red Cathedral, the Onyx Delta has become the center of the virtual world, and the entire player base is descending on Ned’s city to try their hand at the fearsome new raid and reap the game-changing rewards within. At the same time, a powerful, menacing guild is running roughshod over the western continents, razing every city in their wake and winning Frank’s obnoxiously loud approval from afar. But Ned knows that it’s only a matter of time before their forces sail east to the delta and attempt to burn down everything he’s built.

The New York Times bestselling author of Grain Brain and Brain Wash offers simple dietary and lifestyle tweaks to help you lose weight, prevent (and reverse) disease, and live a long and healthy life by reducing high uric acid levels—the hidden health risk you didn't know you had. What do...

Marc's home from college on break, spending his time laughing about some of the crazy news stories he's found online, and gaming. When a message appears in his line of sight, blocking out absolutely everything else, he nearly freaks out. The message warns that the world has been in a variant Natural Laws beta test for millennia and that it's about to revert to the norms.

Das System beschert unserem Helden und seinen Freunden immer und immer mehr neue Erfahrungen. Der eigentlich ziemlich asoziale Einzelgänger Kasp wurde vom System zum Siedlungsvorstand ernannt. Nichts liegt Kasp allerdings ferner, als eine Führungsrolle zu übernehmen. Das System wird von Tag zu Tag schwieriger. Hinter jeder Ecke lauern neue Gefahren und aggressive Monster. Doch jede Herausforderung birgt auch frische Chancen. Die menschliche Zivilisation schrammt gerade an der totalen Vernichtung vorbei und könnte einen kleinen Hoffnungsschimmer gut gebrauchen …

Based on first-hand interviews with survivors, people who have committed offences, and others on the frontlines, Indictment puts the Canadian criminal justice system on trial and proposes a bold new vision of transformative justice.

When the Doom System appeared, it shattered reality overnight. People took superhuman abilities, their only defense against a world that no longer made sense. But just as humanity began to adapt, the System changed the rules. Now, survival isn’t just a struggle. It’s a competition. For Hiro Johnson, staying alive has become a full-time job. The System twists the streets of New York into death traps, pitting survivors against monsters, hunters, and each other yet rewarding them with powerful skills and weapons.

One Tuesday changes everything for Robert Williams. A cosmic entity known as the System arrives, selecting him—a suburban father and engineer—as Earth's sole representative for integration. He has six months to say goodbye to his family before being exiled to another universe for over 400 years. Guided by an AI companion and gifted with powerful starting perks, Robert must navigate a new reality defined by levels, skills, magic, and dungeon crawls.

Since she arrived in the alternate dimension of Luliv, Alice Verianna's scientific exploration of its magical properties has yielded fascinating results. She has uncovered many secrets behind the mysterious construct—known as the System—that connects all of Luliv, and her own abilities to harness this magic have flourished in unexpected ways. But the System is failing. And as Alice desperately races to get to the bottom of why, she's finding more questions than answers while its people go mad and monster attacks become more frequent and deadlier than ever.

Not long ago, Gary was just another punk teenager living in a ramshackle house in a bad part of a ramshackle town. To survive, he worked as a gofer for a brutal street gang—until a simple job went bad, and he ended up paired with a Werewolf System that enhanced his strength, stamina, and attitude. But as Gary soon learned, this gift could also be a curse, costing anyone who got too close their life. Now, he’s trying to figure out how to use his system to make things better for those around him.