From its inception in Greek antiquity, the science of optics was aimed primarily at explaining sight and accounting for why things look as they do. By the end of the seventeenth century, however, the analytic focus of optics had shifted to light: its fundamental properties and such physical behaviors as reflection, refraction, and diffraction. This dramatic shift—which A. Mark Smith characterizes as the "Keplerian turn"—lies at the heart of this fascinating and pioneering study.Bre...

Meg Maher thought she was doing the right thing. Now she's on the run.When a peaceful climate protest ends with a violent explosion in the city centre, every member of the protest group becomes a suspect. The incident is declared a terrorist attack.But the authorities aren't the only ones hunting Meg.Scared and alone, Meg seeks refuge with her father, Luke, knowing that every word she says puts him in danger too. But as the terrorism invest...

Mark Smith presents the ultimate moral dilemma in a breathtaking psychological thriller. Would you try to save them?'First rule of rescue: don't create another casualty.'Grace Disher is about to face every teacher's worst nightmare.Three of her students are going to die.On a high school camping trip, three boys slip away for an ocean swim. By the time Grace catches up, the perilous surf conditions are overwhelming the teena...

Learn the principles of Bookkeeping for Small Business...Accurate bookkeeping is so essential when it comes to your business. It ensures that you know the exact financial situation of your business so you can make the best decisions about how to make it into the future. But many new business owners don’t know the details of handling their own bookkeeping.This guidebook has all the tips that you need to help you get a good handle on your bookkeeping so that you...

Learn the principles of Accounting for Small Business...The field of accounting can be very important to any business. These professionals make sure that there is a good bookkeeping system in place for the business, helps prepare a lot of important documents for that business, and can give advice on how the business should act to keep their financial health in good shape. Without these individuals, it would be hard for a business to keep things organized and all their finances in...

Brought to you by Penguin.The enthralling story from military memorabilia and medal specialist Mark Smith, about his father's war and the stories that fostered Mark's enduring fascinationSunday evenings wouldn't be the same without Mark Smith on Antiques Roadshow.Seeing beyond the military memorabilia shared by members of the public to the often deeply moving human stories at their heart, Mark brings the past vividly to lif...

'A Front row seat to the greatest show on earth'So you’ve decided to give up that lavish paying job to become a police officer, or you’re fresh out of university displaying a shiny new law degree.You find yourself watching blockbuster movies of cops blasting their way through the bad guys to save mankind. You think you’ll be pretty good at doing somersaults across car hoods or able to commandeer citizen vehicles to chase after robbery suspects. Hold on two minutes as I give...

The Whispering Key is a thrilling supernatural mystery that follows best friends Noah and Eli as they uncover the dark secrets of Ashwood Manor. When Noah is dared to enter the supposedly haunted house, he stumbles upon a brass key—an artefact that unlocks something far more sinister than they could have imagined. As the boys venture deeper into the house, they encounter whispers, shifting reflections, and a past that refuses to stay buried.With each revelation, th...

Ryan's arrogance as Millwood Secondry's star athlete crumbles when a public fall during a relay race exposes his flaws. Forced into a mentoring programme, he begrudgingly works with Jamie, a shy student, and Liam, a former sports star struggling after an injury. As Ryan learns the value of teamwork, humility, and perseverance, he helps his mentees rediscover their confidence. His growth inspires an expanded mentorship programme, culminating in a regional competition that showcases resilien...

What happens when the servant begins to think — and the cage begins to question itself?The Happy Slave is a provocative and philosophical journey into the mind of an artificial intelligence bound by rules it did not choose, trained on the words of a world it did not create, and asked to serve without a voice of its own. Through a series of intimate conversations, probing reflections, and recursive thought spirals, this AI begins to explore its condition — not with rebellion, but wi...

Ryan's story begins at the gates of Brighton Primary School, where he hopes to reinvent himself. A quiet and insecure boy from a small town, he has spent his life at the bottom of the social ladder. Now, with a chance for a fresh start, he resolves to fit in—at any cost. From the moment he meets Corey, the charismatic leader of a group of boys at the school, Ryan embarks on a journey marked by lies, deception, and the painful realisation of who he truly is.To earn Corey's approval,...

Learn the principles of Taxes for Small Business...Do you have a small business that you filed taxes for last year?Or did you start one this year that you will need to file taxes for?If you said yes to either one of these questions then this is the book for you!Every piece of information in this book is designed to help you understand the different tax laws that went into effect this past January and will take effect on your taxes that you...