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Robin Dunbar is the world-renowned psychologist and author who famously discovered Dunbar's number: how our capacity for friendship is limited to around 150 people. In Friends, he looks at friendship in the round, at the way different types of friendship and family relationships intersect, or at the complex of psychological and behavioural mechanisms that underpin friendships and make them possible - and just how complicated the business of making and keeping friends actually is.

How many people does the ideal team contain? How do groups bond, earn trust and forge shared identities? How can leaders build environments adaptable enough to respond to shocks and still enable people to thrive together? How can you feel close to people if your only point of contact is a phone or a computer? In The Social Brain leading experts from the worlds of evolutionary psychology and business management come together to offer a primer on great team working. They explain what size groups work and how to shape them according to the nature of the task at hand.

Religion is both unique—as far as we can judge—and universal to humans. Our species diverged from the great apes about six to eight million years ago, and since then, along with language, our propensity towards spiritual thinking and ritual emerged. How, when and why did this occur, and how did the earliest informal shamanic practices evolve into the world religions familiar to us today? Robin Dunbar, professor of evolutionary psychology at the University of Oxford, explores this and other key questions.

Evolutionary Psychology is a uniquely accessible yet comprehensive guide to the study of the effects of evolutionary theory on human behaviour. Written specifically for the general listener and for entry-level students, it covers all the most important elements of this interdisciplinary subject, from the role of evolution in our selection of partner, to the influence of genetics on parenting. This audiobook draws widely on examples, case studies and background facts to convey a substantial amount of information.

Evolution is one of the most important processes in life. It not only explains the detailed history of life on earth, but its scope also extends into many aspects of our own contemporary behavior - who we are and how we got to be here, our psychology, our cultures - and greatly impacts modern advancements in medicine and conservation biology. Perhaps its most important claim for science is its ability to provide an overarching framework that integrates the many life sciences into a single unified whole. Yet, evolution has been, and continues to be, regarded with suspicion by many.

When George Washington was elected president, he reluctantly left behind his beloved Mount Vernon to serve in Philadelphia, the temporary seat of the nation's capital. In setting up his household, he took Tobias Lear, his celebrated secretary, and eight slaves, including Ona Judge, about which little has been written. As he grew accustomed to Northern ways, there was one change he couldn't get his arms around: Pennsylvania law required enslaved people be set free after six months of residency in the state. Washington decided to circumvent the law.

In this incredible narrative, Erica Armstrong Dunbar reveals a fascinating and heartbreaking behind-the-scenes look at the Washingtons when they were the First Family and an in-depth look at their slave, Ona Judge, who dared to escape from one of the nation’s Founding Fathers. Born into a life of slavery, Ona Judge eventually grew up to be George and Martha Washington’s “favored” dower slave. When she was told she was going to be given as a wedding gift to Martha Washington’s granddaughter, Ona made the bold and brave decision to flee to the North, where she'd be a fugitive.

Harriet Tubman is best known as one of the most famous conductors on the Underground Railroad. As a leading abolitionist, her bravery and selflessness has inspired generations in the continuing struggle for civil rights. Now, National Book Award nominee Erica Armstrong Dunbar presents a fresh take on this American icon blending traditional biography and engaging sidebars that illuminate the life of Tubman as never before.

Truth Be Told comprises three powerful narratives written by formerly enslaved women who lived long past emancipation. Each narrative offers a window into time and moves the listener along chronologically from the early years of a new nation, through the Civil War, and up through the perilous years of Reconstruction. Award-winning author and historian Erica Armstrong Dunbar provides an accessible and engaging introduction and afterword for each narrative, tying these figures’ lives to the arc of Black history.