The sky splits open. Terror rains down on the earth. Can anything survive the Echo? A mad man has unleashed unthinkable magics, creating a hellscape on earth and a new parallel world known as the Echo. Carnage is everywhere. Monsters rampage. Who will take on the insurmountable task of saving the world? A librarian. A disgraced British earl. An ex-sheriff’s deputy. A former Marine. A computer geek. And one mysterious amnesiac who might hold the key to it all. Take a wild, steamy, death-defying ride into the unknown with these six reluctant heroes. The Complete Echo Power Trilogy will leave you breathless.

Winner of the National Book Award From the Pulitzer Prize–winning author of The Overstory and the Oprah's Book Club selection Bewilderment comes Richard Powers's The Echo Maker, a powerful novel about family and loss. “Wise and elegant . . . The mysteries unfold so organically and stealthily that you are unaware of his machinations until they come to stunning fruition . . . Powers accomplishes something magnificent.” —Colson Whitehead, The New York Times Book Review On a winter night on a remote Nebraska road, twenty-seven-year-old Mark Schluter has a near-fatal car accident. His older sister, Karin, returns reluctantly to their hometown to nurse Mark back from a traumatic head injury. But when Mark emerges from a coma, he believes that this woman—who looks, acts, and sounds just like his sister—is really an imposter. When Karin contacts the famous cognitive neurologist Gerald Weber for help, he diagnoses Mark as having Capgras syndrome. The mysterious nature of the disease, combined with the strange circumstances surrounding Mark’s accident, threatens to change all of their lives beyond recognition. In The Echo Maker, Richard Powers proves himself to be one of our boldest and most entertaining novelists.

How will the apocalypse end? An amnesiac and a mysterious stranger might herald a new beginning—or the destruction of everything. I awoke one day on a beach in Northern California with no memory of who I am or how I got here. But a group of refugees from the apocalypse took me in. After two months in the camp they call Sanctuary, I still can't remember anything. Then a man drops out of the sky. Who is Gabriel? Who sent him here? He can be a total jerk, then turn around and save me from certain death. The moment we met, something sparked between us, something hot and undeniable. I don't like him, but I'll need to lay my life in his hands to survive whatever comes next. Gabriel is a warrior, and the only person in either world who has explored the entirety of the Echo. But the mission a mad man started did not die with him. Without its creator, the Echo might destroy both worlds—itself and the Earth. Someone must figure out how to stop it. Someone? Yeah, that's me and my gruff protector. The powerful, intensely sensual connection I share with Gabriel has become our only shot at ending the chaos once and for all. Perfect. Amnesia girl and the beast to the rescue. Echo Unbound is the third and final installment in the Echo Power Trilogy of steamy paranormal romances. Coming soon in audio narrated by Jason Clarke & Rose Dioro.

This book presents basic and advanced topics in the areas of sig nal theory and processing as applied to acoustic echo-location (sonar). It is written at the advanced undergraduate or graduate level, and as sumes that the reader is conversant with the concepts and mathematics associated with introductory graduate courses in signal processing such as linear and complex algebra, Fourier analysis, probability, advanced calculus, and linear system theory. The material is presented in a tuto rial fashion as a logical development starting with basic principles and leading to the development of topics in detection and estimation theory, waveform design, echo modeling, scattering theory, and spatial process ing. Examples are provided throughout the book to illustrate impor tant concepts and especially important relationships are boxed. The book addresses the practical aspects of receiver and waveform design, and therefore should be of interest to the practicing engineer as well as the student. Although much of the book is applicable to the general echo-location problem that includes radar, its emphasis is on acoustic echo location especially in regard to time mapping and the wideband or wavelet description of Doppler. Introductory signal theory material is included in the first chapter to provide a foundation for the material covered in the later chapters. A consistent notational convention is ob served throughout the book so that the various mathematical entities are readily identified. This is described in the glossary and symbol list.

Echo gets kicked out of his pack when his sister, Rona, takes over. Immediately after being banished, Echo saves a small pup named Willow from drowning, and together they decide to start their own pack. With a lot of searching and tough journeys, Echo finally has an amazing group of skillful hunters, fierce fighters, and most of all, loyal friends.

Newbery Honor Book New York Times Bestseller This impassioned, uplifting, and virtuosic tour de force from a treasured storyteller follows three children, in three different times and places, whose lives mysteriously intersect. Lost and alone in a forbidden forest, Otto meets three mysterious sisters and suddenly finds himself entwined in a puzzling quest involving a prophecy, a promise, and a harmonica. Decades later, Friedrich in Germany, Mike in Pennsylvania, and Ivy in California each, in turn, become interwoven when the very same harmonica lands in their lives. All the children face daunting challenges: rescuing a father, protecting a brother, holding a family together. And ultimately, pulled by the invisible thread of destiny, their suspenseful solo stories converge in an orchestral crescendo. Richly imagined and masterfully crafted, Echo pushes the boundaries of genre, form, and storytelling innovation to create a wholly original novel that will resound in your heart long after the last note has been struck.

With the growing popularity of Linux and the advent of Darwin, Unix has metamorphosed into something new and exciting. No longer perceived as a difficult operating system, more and more users are discovering the advantages of Unix for the first time. But whether you are a newcomer or a Unix power user, you'll find yourself thumbing through the goldmine of information in the new edition of Unix Power Tools to add to your store of knowledge. Want to try something new? Check this book first, and you're sure to find a tip or trick that will prevent you from learning things the hard way.The latest edition of this best-selling favorite is loaded with advice about almost every aspect of Unix, covering all the new technologies that users need to know. In addition to vital information on Linux, Darwin, and BSD, Unix Power Tools 3rd Edition now offers more coverage of bash, zsh, and other new shells, along with discussions about modern utilities and applications. Several sections focus on security and Internet access. And there is a new chapter on access to Unix from Windows, addressing the heterogeneous nature of systems today. You'll also find expanded coverage of software installation and packaging, as well as basic information on Perl and Python.Unix Power Tools 3rd Edition is a browser's book...like a magazine that you don't read from start to finish, but leaf through repeatedly until you realize that you've read it all. Bursting with cross-references, interesting sidebars explore syntax or point out other directions for exploration, including relevant technical details that might not be immediately apparent. The book includes articles abstracted from other O'Reilly books, new information that highlights program tricks and gotchas, tips posted to the Net over the years, and other accumulated wisdom.Affectionately referred to by readers as "the" Unix book, UNIX Power Tools provides access to information every Unix user is going to need to know. It will help you think creatively about UNIX, and will help you get to the point where you can analyze your own problems. Your own solutions won't be far behind.