Penny Nelson grew up listening to her older sister and brother recount their adventures in Tamarind, a magical island not found on any map, but she sometimes she can't tell which of her memories are hers and which are theirs. After drifting out to sea, Penny once again finds herself on the shores of Tamarind. But things are wrong on the island: portals lead to treacherous places, a strange creature is wreaking havoc, and a Great Wave is coming to bring the Bloom, magic that can stabilize the island. Whoever completes three challenges gets to catch the Bloom—and keep some of that life-changing magic for their own use. To save Tamarind and collect the magic, Penny has to brave dark ocean depths, survive the perils of the jungle, and outwit a cunning creature bent on bringing chaos. Don't miss The Great Wave of Tamarind, the stunning conclusion to Nadia Aguiar's critically acclaimed middle-grade trilogy!

An engineering-oriented introduction to wave propagation by an award-winning MIT professor, with highly accessible expositions and mathematical details—many classical but others not heretofore published. A wave is a traveling disturbance or oscillation—intentional or unintentional—that usually transfers energy without a net displacement of the medium in which the energy travels. Wave propagation is any of the means by which a wave travels. This book offers an engineering-oriented introduction to wave propagation that focuses on wave propagation in one-dimensional models that are anchored by the classical wave equation. The text is written in a style that is highly accessible to undergraduates, featuring extended and repetitive expositions and displaying and explaining mathematical and physical details—many classical but others not heretofore published. The formulations are devised to provide analytical foundations for studying more advanced topics of wave propagation. After a precalculus summary of rudimentary wave propagation and an introduction of the classical wave equation, the book presents solutions for the models of systems that are dimensionally infinite, semi-infinite, and finite. Chapters typically begin with a vignette based on some aspect of wave propagation, drawing on a diverse range of topics. The book provides more than two hundred end-of-chapter problems (supplying answers to most problems requiring a numerical result or brief analytical expression). Appendixes cover equations of motion for strings, rods, and circular shafts; shear beams; and electric transmission lines.

Get this handy roadmap to making money in the commodities market. Getting Started in Commodities shows you how to successfully invest in the commodities market in futures, stocks, stock indices, and options. The book explains how the commodities market works as well as how investors can identify and track commodity opportunities -- using fundamental factors such as supply and demand and technical analysis tools. Fontanills, a seasoned trader and educator, also explains the basis of money management, teaches you how to find the best broker, and how to read seasonal chart patterns. Finally, he explores how to build a winning system and test and adjust it for success. Helpful appendices of contract specifications and additional readings are also included. George A. Fontanills (Miami, FL) is the President Emeritus of Optionetics, the world leader in options education and is also a retired hedge fund manager. Fontanills has written many books, including Trade Options Online (0-471-35938-6), The Volatility Course (0-471-39816-0), and The Volatility Course Workbook (0-471-39817-9).

This book assesses the interplay between social media, political polarization, and civic engagement, focusing on countries with differing media environments, cultural specifics, and degrees of democratization. Taken from a variety of disciplinary perspectives and based on innovative theoretical interventions and empirically grounded research, the contributions to this volume share a common aspiration to understand the democratic character of the new, and thus far largely unknown, media regime. Such a regime has the potential to both enhance and undermine democracy, in a time where the vulnerability of democracy is more obvious than ever before. Featuring research from the USA, Western Europe, the Middle East, and East Asia, this book will be of interest to those studying recent political events in these regions, as well as to those scholars of media studies whose research focuses on the inter-relation of politics, communication and the media. This book was originally published as a special issue of Information, Communication & Society.

This volume explores the first four waves of a longitudinal diagnostic study of Indigenous adolescents and their families. The first study of its kind, it calls attention to culturally specific risk factors that affect Indigenous (American Indian and Canadian First Nations) adolescent development and describe the historical and social contexts in which Indigenous adolescents come of age. It provides unique information on ethical research and development within Indigenous communities, psychiatric diagnosis at early and mid-adolescence, and suggestions for putting the findings into action through empirically-based interventions.