Murray John

Maths does not have to be difficult. This book, complete with exercises and answers, forms a course which will take you from beginner or intermediate level to being a confident mathematician. This book includes: simple step-by-step explanations, to help you grasp new topics or those that have previously confused you; practice questions throughout, to help you embed your learning and improve your confidence; and end of chapter summaries, to help you remember the key points you've learned - all in one great-value book, so you don't need any separate workbooks or coursebooks. Chapters include: number; angles; fractions; two-dimensional shapes; decimals; statisticsl directed numbers; graphs; measurement; perimeter and area; algebraic expressions; approximations; equations; percentages; formulae; circles; probability; three-dimensional shapes; ratio and proportion; pythagoras' theorem and trigonometry; indices and standard form.

The extraordinary story of how the human brain evolved... and is still evolving. We've come a long way. The earliest human had a brain as small as a child's fist; ours are four times bigger, with spectacular abilities and potential we are only just beginning to understand. This is How the Mind Changed, a seven-million-year journey through our own heads, packed with vivid stories, groundbreaking science, and thrilling surprises. Discover how memory has almost nothing to do with the past; meditation rewires our synapses; magic mushroom use might be responsible for our intelligence; climate accounts for linguistic diversity; and how autism teaches us hugely positive lessons about our past and future. Dr Joseph Jebelli's In Pursuit of Memory was shortlisted for the Royal Society Science Book Prize and longlisted for the Wellcome. In this, his eagerly awaited second book, he draws on deep insights from neuroscience, evolutionary biology, psychology, and philosophy to guide us through the unexpected changes that shaped our brains. From genetic accidents and environmental forces to historical and cultural advances, he explores how our brain's evolution turned us into Homo sapiens and beyond.

The year is 1794. A young nobleman, Eric Three Roses, languishes in hospital. Some think he would be just at home in the madhouse across the road. Ridden with guilt, he spends his nights writing down memories of his lost love who died on their wedding night. Her mother also mourns her and when no one listens to her suspicions, she begs the aid of the only person who will listen: Jean Mickel Cardell, the one-armed watchman. Cecil Winge is six months in the ground but when his younger brother Emil seeks out the watchman to retrieve his brother's missing pocket watch, Cardell enlists his help to discover what really happened at Three Roses' estate that night. But, unlike his dead brother, the younger Winge is an enigma, and Cardell soon realises that he may be more hindrance than help. And when they discover that a mysterious slave trader has been running Three Roses' affairs, it is a race against time to discover the truth before it's too late. In 1794, the second installment of Niklas Natt och Dag's historical noir trilogy, we are reunited with Mickel Cardell, Anna Stina Knapp, and the bustling world of late eighteenth century Stockholm from The Wolf and the Watchman. The city is about to see its darkest days yet as veneers crack and the splendour of old gives way to what is hiding in the city's nooks and crannies.