The millions of people around the world who loved What If? still have questions, and those questions are getting stranger. Thank goodness xkcd creator Randall Munroe is here to help. Planning to ride a fire pole from the Moon back to Earth? The hardest part is sticking the landing. Hoping to cool the atmosphere by opening everyone’s freezer door at the same time? Maybe it’s time for a brief introduction to thermodynamics. Want to know what would happen if you rode a helicopter blade, made a lava lamp out of lava, or jumped on an erupting geyser? Okay, if you insist.

Fans of xkcd ask Munroe a lot of strange questions: What if you tried to hit a baseball pitched at ninety percent the speed of light? How fast can you hit a speed bump while driving and live? If there was a robot apocalypse, how long would humanity last? What if everyone only had one soulmate? What would happen if the moon went away? In pursuit of answers, Munroe runs computer simulations, pores over stacks of declassified military research memos, solves differential equations, and consults with nuclear reactor operators.

Exploring and explaining a litany of glitches, near misses, and mathematical mishaps involving the internet, big data, elections, street signs, lotteries, the Roman Empire, and an Olympic team, Matt Parker uncovers the bizarre ways math trips us up, and what this reveals about its essential place in our world. Getting it wrong has never been more fun.

Bestselling author and award-winning comics writer Ryan North has the answers. In this introduction to the science of comic-book supervillainy, he details a number of outlandish villainous schemes that harness the potential of today’s most advanced technologies. Picking up where How to Invent Everything left off, his explanations are as fun and elucidating as they are completely absurd.

Ever wonder why onions make you cry? Or why lizards do pushups? Or why leaves change color in the fall? Don't worry, you're not alone. Acclaimed science writer and broadcaster Jay Ingram wonders the same things. After a long career of asking important questions (does time speed up as we age? How much Neanderthal is in me? Why do some animals throw their feces?), he's here to put our scientific quandaries to rest.

What would you do if a time machine hurled you thousands of years into the past...and then broke? How would you survive? With this book as your guide, you'll survive - and thrive - in any period in Earth's history. Best-selling author and time-travel enthusiast Ryan North tells you how to invent all the modern conveniences we take for granted - from first principles. This manual contains all the science, engineering, art, philosophy, facts, and figures required for even the most clueless time traveler to build a civilization from the ground up.

History is the most dangerous place on earth. From dinosaurs the size of locomotives to meteors big enough to sterilize the planet, from famines to pandemics, from tornadoes to the Chicxulub asteroid, the odds of human survival are slim but not zero—at least, not if you know where to go and what to do. In each chapter of How to Survive History, Cody Cassidy explores how to survive one of history’s greatest threats: getting eaten by dinosaurs, being destroyed by the asteroid that wiped out the dinosaurs, succumbing to the lava flows of Pompeii, being devoured by the Donner Party, and more.

Best-selling author and commentator Jay Ingram is back to explain the magic and mysteries of the world around us. Jay takes listeners on a tour of the universe, exploring wonders big and small. From the farthest reaches of space to the most perplexing historical riddles to the marvels of who we are and what we're made of, Jay answers the important questions, such as: What's inside a black hole? Will machines ever learn to feel? And how much pee is in the average pool?

For some, it’s the end of the world. For others, it’s just the beginning. With brilliant imagination, today’s most visionary writers point to the future in a collection curated by bestselling author Blake Crouch. These stories range from darkly comic to deeply chilling, but they all look forward. Featuring stories by Andy Weir, Amor Towles, Veronica Roth, N. K. Jemisin, Paul Tremblay, and Blake Crouch; with narration by Evan Rachel Wood, David Harbour, Jason Isaacs, Rosa Salazar, Steven Strait, and Janina Gavankar.

Somewhere on the frontier between thought and reality exists the Discworld, a parallel time and place which might sound and smell very much like our own, but which looks completely different. Collected together for the first time are seven full-cast BBC Radio dramatisations of Terry Pratchett’s novels, with star-studded casts including Martin Jarvis, Sheila Hancock, Anton Lesser, Philip Jackson, Alex Jennings and Mark Heap.

We live in a “post-truth” world, we’re told. But was there ever really a golden age of truth-telling? Or have people been lying, fibbing, and just plain bullsh*tting since the beginning of time? Tom Phillips, editor of a leading independent fact-checking organization, deals with this question every day. In Truth, he tells the story of how we humans have spent history lying to each other - and ourselves - about everything from business to politics to plain old geography.

The chartered Zarathustra Company had it all their way. Their charter was for a Class III uninhabited planet, which Zarathustra was, and it meant they owned the planet lock stock and barrel. They exploited it, developed it and reaped the huge profits from it without interference from the Colonial Government. Then Jack Holloway, a sunstone prospector, appeared on the scene with his family of Fuzzies and the passionate conviction that they were not cute animals but little people.

Adam Savage is a maker. From Chewbacca’s bandolier to a 1,000-shot Nerf gun, he has built thousands of spectacular projects as a special-effects artist and the cohost of MythBusters. Adam is also an educator, passionate about instilling the principles of making in the next generation of inventors and inspiring them to turn their curiosity into creation. In this practical and passionate guide, Adam weaves together vivid personal stories, original sketches and photographs from some of his most memorable projects, and interviews with many of his iconic and visionary friends.

Through the ages of Britain, from the 15th century to the 21st, Edmund Blackadder has meddled his way along the bloodlines, aided by his servant and sidekick, Baldrick, and hindered by an assortment of dimwitted aristocrats. Now the complete history of Blackadder is collected together, including the four TV series: The Black Adder, Blackadder II, Blackadder the Third and Blackadder Goes Forth.

Millions of people visit xkcd.com each week to read Randall Munroe's iconic webcomic. His stick-figure drawings about science, technology, language, and love have a large and passionate following. Fans of xkcd ask Munroe a lot of strange questions. What if you tried to hit a baseball pitched at 90 percent of the speed of light? How fast can you hit a speed bump while driving and live? If there were a robot apocalypse, how long would humanity last?