Extensive revision of the best-selling text on satellite communications — includes new chapters on cubesats, NGSO satellite systems, and Internet access by satelliteThere have been many changes in the thirty three years since the first edition of Satellite Communications was published. There has been a complete transition from analog to digital communication systems, withanalog techniques replaced by digital modulation and digital signal processing. While ...

Much contemporary research ignores or is dismissive of the growth of global religiosity, even though 90 percent of the global population sees the world through a commitment to some kind of faith. Reimagining Faith and Management addresses this issue and extends the research on the impact of faith in various aspects of management, such as negotiation, leadership, entrepreneurship, governance, innovation, ethics, finance and careers.Faith impacts how individuals and organisa...

Pastor and New York Times bestselling author Timothy Keller outlines the reasons why forgiveness has to be a central part of everyone’s lives.Forgiving anyone in a meaningful way is one of the hardest things a person has to do. If you do not, resentment and vengeance begin to consume you. It is nearly impossible to move past transgression without forgiveness, but few people have the resources and the tools to forgive others fully and move on with their liv...

Pastor, preacher, and New York Times bestselling author of The Prodigal Prophet Timothy Keller shares his wisdom on communicating the Christian faith from the pulpit as well as from the coffee shop.Most Christians—including pastors—struggle to talk about their faith in a way that applies the power of the Christian gospel to change people’s lives. Timothy Keller is known for his insightful, down-to-earth sermons and talks that help people understan...

The Resurrection accounts of Jesus in the Gospels are the most dramatic and impactful stories ever told. One similarity unites each testimony--that none of his most loyal and steadfast followers could "see" it was him, back from the dead. The reason for this is at the very foundation of the Christian faith.She turned around and saw Jesus standing there, but she did not realize that it was Jesus. (John 20:14)Hope in the Time of Fear is a book that u...

From the works of pastor and New York Times bestselling author Timothy Keller comes this yearlong compilation with daily readings from his best-loved books.The perfect 365-daily reader for both new and longtime admirers of Timothy Keller's writing, Go Forward in Love features deep insights, profound truths, and biblical wisdom on topics such as prayer, forgiveness, loving our neighbors, the importance of work, and the hope of the resurrection....

From New York Times bestselling author and pastor Timothy Keller, a book about facing the death of loved ones, as well as our own inevitable deathSignificant events such as birth, marriage, and death are milestones in our lives in which we experience our greatest happiness and our deepest grief. And so it is profoundly important to understand how to approach and experience these occasions with grace, endurance, and joy.In a culture that does its be...

A New York Times bestseller people can believe in—by "a pioneer of the new urban Christians" (Christianity Today) and the "C.S. Lewis for the 21st century" (Newsweek).Timothy Keller, the founding pastor of Redeemer Presbyterian Church in New York City, addresses the frequent doubts that skeptics, and even ardent believers, have about religion. Using literature, philosophy, real-life conversations, and potent reasoning, Keller explains how...

"A compelling, heartwarming, devotional book . . . full of biblical wisdom, psychological insight, practical illustration, and gospel hope."--Christianity TodayBeloved pastor and New York Times bestselling author Timothy Keller offers a hope-filled answer to the question beneath every devastating headline and personal loss: What is wrong with the world?Everywhere we look, we see brokenness--wars, cruelty, and heartache. We...

From pastor and New York Times bestselling author Timothy Keller comes a beautifully packaged, yearlong daily devotional based on the Book of Proverbs.Proverbs is God’s book of wisdom, teaching us the essence and goal of a Christian life. In this 365-day devotional, Timothy Keller offers readers a fresh, inspiring lesson for every day of the year based on different passages within the Book of Proverbs. With his trademark knowledge, Keller unlocks the wisdo...

From New York Times bestselling authors Timothy Keller and Kathy Keller, a book devoted to helping you start your marriage strong and keeping it strong as the years passSignificant events such as birth, marriage, and death are milestones in our lives in which we experience our greatest happiness and our deepest grief. And so it is profoundly important to understand how to approach and experience these occasions with grace, endurance, and joy.In

Renowned pastor and New York Times bestselling author Timothy Keller writes the book his readers have been asking for: A year-long daily devotional, beautifully designed with gilt edges and a gold ribbon marker.The Book of Psalms is known as the Bible’s songbook—Jesus knew all 150 psalms intimately, and relied on them to face every situation, including his death.Two decades ago, Tim Keller began reading the entire Book of Psalms every month. Th...