Each mini-chapter adds one feature to the ray tracer, and by the end the reader can produce the image on the book cover. Details of basic ray tracing code architecture and C++ classes are given.

    Through a series of spiritual exercises—with themes ranging from energy, health, and physical and emotional healing to protection, wealth, and wisdom—she outlines how to jump-start a personal–spiritual routine to increase spiritual energy, personal awareness, and a connection to God. This highly visual guide also explores the symbolic meaning of color and scent combinations, groupings, and inviting the spirits of loved ones, angels, and spirit guides through the use of candle and prayer.

    When Noddy decides to lend a hand it isn't long before things are going a little bit wrong! Luckily, Big-Ears is there to make sure everything is all right.

    In the four main sections of the book, Stein tells the stories of the mathematical thinkers who discerned some of the most fundamental aspects of our universe. From their successes and failures, delusions, and even duels, the trajectories of their innovations—and their impact on society—are traced in this fascinating narrative. Quantum mechanics, space-time, chaos theory and the workings of complex systems, and the impossibility of a "perfect" democracy are all here. Stein's book is both mind-bending and practical, as he explains the best way for a salesman to plan a trip, examines why any thought you could have is imbedded in the number π , and—perhaps most importantly—answers one of the modern world's toughest questions: why the garage can never get your car repaired on time.Friendly, entertaining, and fun, How Math Explains the World is the first book by one of California's most popular math teachers, a veteran of both "math for poets" and Princeton's Institute for Advanced Studies. And it's perfect for any reader wanting to know how math makes both science and the world tick.

    But what does being a princess really mean? With wise advice from her Gramma ringing in her ears, Sophia learns to stay true to her values, treat others with fairness and to find ways to make the world a better place.Will standing tall and using good manners make Sophia a real princess? A perfect read for little ones to learn that they don’t need to be like others to be special!

    LikeWhen does a bee go through metamorphosis?Why does a queen bee sometimes leave her hive?And where does all this honey come from, anyway?!But Nyuki’s biggest question is, “What is this inner voice I hear, and why does it tell me to go forth to adventure?Follow Nyuki on a lifelong journey as she annoys her sisters, avoids predators, and learns to trust her inner voice as she masters the way of the hive.And if you still have questions at the end, the back of the book uncovers even more mysteries about the lives of these incredible insects!

    Oliver is an elegant black tomcat, who is full of himself. As a matter of fact he says: “I love myself!” quite often. Naughty, isn’t he? But his best friend Jumpy, a kangaroo lady, is aware that it is only a front! Oliver has a soft heart and will always want to help others. The great thing is Jumpy’s pouch, which Oliver loves to ride in! He calls her his kangaroo taxi! These little bedtime stories with their lovely illustrations are great for small kids. A parent can read the text and tell the child in his own words. These animal stories have sufficient text to keep early readers happy and provide some educational value. Depending on your device, there is pop-up text (at Amazon) or audio available. Several talented illustrators are essential to bring these children's stories to you in quick succession. Love you all! Meow!

    Playful elves demonstrate how to divide apples into halves, thirds, fourths, and more. Young readers will also learn about varieties of apples, including Golden and Red Delicious, Granny Smiths, Cortlands, and even Asian Pears.

    It's compelling, it's straightforward, and it can change your life. Zombie Economics is for anyone in the midst of financial uncertainty, a place where carelessness and timidity will cost you. From the creeping spread of unpaid bills to the lumbering advance of creditors, Zombie Economics confronts the biggest threats to your personal economy, takes aim, and then takes them down. Specific chapters include: A Basement Full of Ammo Saving yourself by saving money They'll Eat the Fat Ones First Using fitness as a financial asset Shooting Dad in the Head Ending your relationships with the financially infected With simple, easy-to-use techniques for identifying-and eliminating-your financial weak spots, Zombie Economics turns victims into survivors. Watch a Video"

    As we dream with him, we are taken further and further into mathematical theory, where ideas eventually take flight, until everyone--from those who fumble over fractions to those who solve complex equations in their heads--winds up marveling at what numbers can do.Hans Magnus Enzensberger is a true polymath, the kind of superb intellectual who loves thinking and marshals all of his charm and wit to share his passions with the world. In The Number Devil, he brings together the surreal logic of Alice in Wonderland and the existential geometry of Flatland with the kind of math everyone would love, if only they had a number devil to teach them.

    His incredible feats seemed impossible, yet no one was ever able to debunk him. How did he escape from locked jail cells? How did he emerge after diving into stormy rivers with chains locked around his body?Although Clinton Cox exposes the secrets behind many of Houdini's tricks, readers will learn that it was Houdini's brilliancy, his physical dexterity, and his wild imagination that made him a true master of illusion.

    but where will it stop?Webster's Email is a wonderfully witty rhyming story that gathers pace as the little spider begins to regret emailing a funny picture of his sister. Count with Webster in this number book as his email reaches more and more people, while gently introducing young readers to the vocabulary and etiquette of email technology.

    Today everyone was rising with the sun, because this was quite a special day. Bees were working hard, flying from flower to flower; the carol of larks echoed far in the forests. ‘Mother- Mother-Mother’s Day’ – sounded the chirping birds. This is a special day, because tomorrow is Mother’s day. The day when you thank your Mother all the good and wonderful things, the love and care she spoiled you with throughout your entire life. Tomorrow is Mother’s Day, so today is the best opportunity to prepare presents. Kate, the beautiful, spotted ladybug got up unusually early, exactly at sunrise. She was looking forward to this day for a long time, because her mum is the best mother in the whole world and she wanted to surprise her with something truly special.

    It has conquered developer mindshare at startups and enterprises alike with its focus of simplicity, convention and clean, maintainable code. The latest version, Rails 4, continues the tradition of enhanced performance, security and developer productivity, with improvements that enable professional developers to focus on what matters most: delivering business value quickly and consistently.The Rails™ 4 Way is the only comprehensive, authoritative guide to delivering production-quality code with Rails 4. Pioneering Rails expert Obie Fernandez and his team of leading Rails experts illuminate the entire set of Rails APIs, along with the idioms, design approaches, and libraries that make developing applications with Rails so powerful. Drawing on their unsurpassed experience and track record, they address the real challenges development teams face, showing how to use Rails to maximize your productivity.Using numerous detailed code examples, the author systematically cover Rails key capabilities and subsystems, making this book a reference that you depend on everyday. He presents advanced Rails programming techniques that have been proven effective in day-to-day usage on dozens of production Rails systems and offers important insights into behavior-driven development and production considerations such as scalability. Dive deep into the subtleties of the asset pipeline and other advanced Rails topics such as security and scalability. The Rails 4 Way is your best guide for making Rails do exactly what you want it to do.

    Inside this book, families will find fun, mischief-making math problems to tackle—math that isn't just kid-friendly, but actually kid-appealing. With over 100 math riddles on topics from jalapeños and submarines to roller coasters and flamingos, this book bursts with math that looks nothing like school. And with three different levels of challenge (wee ones, little kids, and big kids), there's something for everyone. We can make numbers fun, and change the world, one Bedtime Math puzzle at a time.