These biographies explore the contributions of women to the sciences, detailing the paths that led these women to break gender barriers. A pioneer in both astronomy and women's rights, Mitchell followed a path of self-education to achieve her goal of becoming an astronomer. She went on to become the first woman ever to identify a new comet and the first professor of astronomy at Vassar.

A book about promoting your business with a book. This book is really a simple marketing plan to retain current customers and increase new customers and clients. Shows how to educate prospects so they have fewer questions and more confidence about the products or services you offer.

The United States witnessed an unprecedented failure of its political system in the mid-nineteenth century, resulting in a disastrous civil war that claimed the lives of an estimated 750,000 Americans. In his other acclaimed books about the American presidency, Fred Greenstein assesses the personal strengths and weaknesses of presidents from George Washington to Barack Obama. Here, he evaluates the leadership styles of the Civil War-era presidents.

Using his trademark no-nonsense approach, Greenstein looks at the presidential qualities of James K. Polk, Zachary Taylor, Millard...