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This book is a clear and informative introduction to cryptography and data protection - subjects of considerable social and political importance. It explains what algorithms do, how they are used, the risks associated with using them, and why governments should be concerned. Important areas are highlighted, such as Stream Ciphers, block ciphers, public key algorithms, digital signatures, and applications such as e-commerce.

To date, more than a million insect species have been described, with probably at least another 5-8 million species waiting in the wings for a name. Insects are a fascinatingly diverse and beautiful spectrum of animals. They range in size from the tiny parasitic wasp, measuring a mere 139µm, to the aptly named Titan beetle, which can reach lengths of up to 17cm. They can be found on all continents of the world, from the Sahara Desert to the frozen wastes of Antarctica. While no insects live beneath the waves, the intrepid sea skaters skim the surface of some of the world's oceans.

From the contours of coastlines to the outlines of clouds, and the branching of trees, fractal shapes can be found everywhere in nature. In this Very Short Introduction, Kenneth Falconer explains the basic concepts of fractal geometry, which produced a revolution in our mathematical understanding of patterns in the 20th century, and explores the wide range of applications in science, and in aspects of economics. 

In this Very Short Introduction audiobook, Richard Earl gives a sense of the more visual elements of topology (looking at surfaces) as well as covering the formal definition of continuity. Considering some of the eye-opening examples that led mathematicians to recognize a need for studying topology, he pays homage to the historical people, problems, and surprises that have propelled the growth of this field. 

This book traces the samurai throughout history, exploring their roles in watershed events such as Japan's invasions of Korea at the close of the 16th century and the Satsuma Rebellion of 1877. Coming alive in these accounts are the samurai, both famed and ordinary, who shaped Japanese history.

The laws of thermodynamics drive everything that happens in the universe. From the sudden expansion of a cloud of gas to the cooling of hot metal - everything is moved or restrained by four simple laws. This powerful and compact introduction explains what these four laws are and how they work, using accessible language and virtually no mathematics.

Relax and refocus your mind and body in just minutes a day, even if your schedule feels unrelenting. Are you overwhelmed by stress, desperately seeking tranquility amid the chaos of your busy life? Do you find yourself longing for a holistic approach to well-being, yet skeptical about where to begin? Perhaps you desire to reconnect with your inner self but feel unsure of how sound therapy fits into your journey. You're not alone. Many professionals and wellness seekers share your quest for balance and peace amidst the demands of modern life.

Does Your Child Struggle with Anxiety? Anxiety is My Monster is an effective and fun tool you can use to help your child overcome their worry. Anxiety can feel like a monster to children, making their worries grow and grow until it feels out of control. Anxiety Is My Monster is a beautifully illustrated picture book designed to help children understand and manage their anxious thoughts in a healthy, empowering way.

Transform Your Urban Space into a Thriving Homestead—No Experience Needed! Turn your backyard, balcony, or tiny space into a haven of growth, resilience, and sustainability. This guide is packed with practical strategies for busy families to maximize small spaces, save money, and embrace eco-friendly living. Inside, you'll discover: Easy gardening tips for beginners. Budget-friendly ways to start your homestead. Natural pest control methods. Food preservation techniques for small kitchens. Kid-friendly homesteading projects. How to keep chickens in urban backyards.

How To Get To The Moon And Back For Kids! The Moon Mission in 8 easy steps! Perfect for kids age 5-9 and 9-12 LEARN ABOUT: ➜Arthur the Astronaut! ➜The Moon's stats ➜Gravity on the Moon ➜Saturn V Rocket ➜Earthrise ➜QUIZ! ➜Origin story of the Moon ➜Theia ⇨1 - LAUNCH: ⇨2 - PARKING ORBIT ⇨3 - TRANSLUNAR INJECTION ⇨4 - TRANSPOSITION AND DOCKING ⇨5 - LUNAR ORBIT INSERTION ⇨6 - POWERED DESCENT ⇨7 - THE ASCENT STAGE—GETTING BACK TO EARTH ⇨8 - TRANS-EARTH INJECTION! ➜Bonus Chapters! **Author's Note: This book is 100% Human-Crafted: No AI Involved in Content ...

Mr. Spurgeon was emphatically the friend of the young. During the course of his successful and God-honored ministry, his supreme aim was to lead children and youth to Christ and to encourage and stimulate them in their aspirations after true nobility. In this audiobook, with persuasive earnestness and characteristic force, he shows those who are standing upon the threshold of life how to make A Good Start.

We’re going to Mars! Join us on this journey and learn about: SpaceX's Starship Raptor Rocket Engines How to actually get to Mars The 5 Hazards of Human Space Flight The Mars Missions and Probes and ROVERS Ingenuity Helicopter Terraforming Mars Life on Other Planets Astronomy & Light Years MARS Geology and much more! The International Space Station LOTS of Book BONUSES like FREE eBooks And POSTERS! INTERACTIVE! With QUIZZES Awesome VIDEOS! Start your child’s Astronaut training and Go to MARS and back! Specially designed for kids ages 5-9 -AND 9–12. ENGAGING pics with just the right ...

The first volume of this best-selling unofficial Minecraft adventure series begins with Runt, our 12-year-old hero, about to choose his future vocation at the Minecraftia school. His options are less than thrilling: farmer, crafter, miner. But what this noob really wants is to be a warrior like his hero, Steve. So when he learns that the five best students in school that year will get the chance to start warrior training, it’s ON.

Imagine the satisfaction of baking a perfect sourdough loaf right in your kitchen. "Mastering Sourdough Bread" makes this dream a reality, even for complete beginners. Have complex recipes and confusing instructions held you back? This book simplifies the process with: Step-by-Step guidance with easy-to-follow instructions. Diverse recipes from classic loaf variations. Simple options fitting into even the busiest schedules. Expert tips on handling dough fermentation and achieving perfect texture and flavor. And much, much more Overcome your fears and embrace the joy of baking.

A brave band of adventures must enter the deep dark and face down a fearsome Warden in this official Minecraft novel! Opal has almost done it all—fought monsters, protected people from pillagers, and even defeated the legendary Ender Dragon! But that’s all in the past. Now, Opal has hung up...

A Olaf, el adorable muñeco de nieve de Arendelle, le encanta leer. Un día, un mensaje inesperado lleva a Olaf y a sus amigos Anna, Kristoff y Sven en busca de un lugar conocido como Haus-Biblio, descrito como un 'mar de historias'. Este audio libro narra el viaje del grupo a Haus-Biblio mientras atraviesan montañas, buscan monstruos bajo los puentes y conversan con simpáticas ovejas. Durante sus viajes, Olaf hace nuevos amigos y escucha muchas historias emocionantes a lo largo del camino.

Alonso Quijano, más conocido como Don Quijote de la Mancha, se volvió loco por leer demasiados libros de caballerías. Entonces se disfrazó de caballero, cogió su lanza, montó en su caballo Rocinante y, acompañado por su inseparable escudero Sancho Panza, salió a combatir el mal. Así, creyéndose un auténtico héroe, vivió las más increíbles aventuras: luchó contra villanos y monstruos, gigantes y brujos malvados... y defendió a su bella amada, Dulcinea del Toboso, ante todo el que osara poner en duda su belleza.

Rebekah Daniels es sólo una ordinaria y valiente niña de 9 años viviendo en la pequeña ciudad de Curtis Bay...EXCEPTO que está determinada a que NO ser ordinaria ¡para nada! Su pequeña ciudad está llena de misterios y Rebekah está segura de que ella, junto con su mejor amigo Mouse, será capaz de resolver hasta el último de ellos.