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One of the most popular and beloved introductions to the concept of faith ever written, Mere Christianity has sold millions of copies worldwide. This audiobook brings together C. S. Lewis' legendary radio broadcasts during the war years, in which he set out simply to "explain and defend the belief that has been common to nearly all Christians at all times."

When Sparrowhawk casts a spell that saves his village from destruction at the hands of the invading Kargs, Ogion, the Mage of Re Albi, encourages the boy to apprentice himself in the art of wizardry. So, at the age of 13, the boy receives his true name - Ged - and gives himself over to the gentle tutelage of the Master Ogion. But impatient with the slowness of his studies and infatuated with glory, Ged embarks for the Island of Roke, where the highest arts of wizardry are taught.

Bill Gates shares what he's learned in more than a decade of studying climate change and investing in innovations to address the problems, and sets out a vision for how the world can build the tools it needs to get to zero greenhouse gas emissions. Bill Gates explains why he cares so deeply about climate change and what makes him optimistic that the world can avoid the most dire effects of the climate crisis. Gates says, "We can work on a local, national, and global level to build the technologies, businesses, and industries to avoid the worst impacts of climate change."

JIM KWIK, the world's number one brain coach, has written the owner's manual for mental expansion and brain fitness. Limitless gives people the ability to accomplish more - more productivity, more transformation, more personal success and business achievement - by changing their Mindset, Motivation, and Methods.

The author of The Power of Habit and “master of the life hack” (GQ) explores the fascinating science of productivity and offers real-world takeaways to apply your life, whether you’re chasing peak productivity or simply trying to get back on track.

An updated edition of the blockbuster best-selling leadership book that took America and the world by storm, two US Navy SEAL officers who led the most highly decorated special operations unit of the Iraq War demonstrate how to apply powerful leadership principles from the battlefield to business and life.

Our attention has never been as overwhelmed as it is today. Many of us recognize that our brains struggle to multitask. Despite this, we feel compelled to do so anyway while we fill each moment of our lives to the brim with mindless distraction. Hyperfocus provides profound insights into how you can best take charge of your attention to achieve a greater sense of purpose and productivity throughout the day.

Welcome to Ringworld, an intermediate step between Dyson Spheres and planets. The gravitational force created by a rotation on its axis of 770 miles per second means no need for a roof. Walls 1,000 miles high at each rim will let in the sun and prevent much air from escaping. Larry Niven's novel, Ringworld, is the winner of the 1970 Hugo Award for Best Novel, the 1970 Nebula Award for Best Novel, and the 1972 Ditmars, an Australian award for Best International Science Fiction.

Zero is just one of 20,000 people aboard a spaceship bound for a new planet set to be colonized. The journey is over a century long but luckily, everyone is in stasis, so they’ll be safe and sound asleep during the trip. Everyone that is, except for Zero, whose pod has malfunctioned, waking him up a hundred years early. His initial excitement in roaming the ship alone quickly turns to a heart-stopping interstellar adventure when a family of space pirates show up, trying to hijack the ship and take the colonizers hostage.

Paul Scharre, a Pentagon defense expert and former U.S. Army Ranger, explores what it would mean to give machines authority over the ultimate decision of life or death. Scharre's far-ranging investigation examines the emergence of autonomous weapons, the movement to ban them, and the legal and ethical issues surrounding their use. Through interviews with defense experts, ethicists, psychologists, and activists, Scharre surveys what challenges might face "centaur warfighters" on future battlefields.