What happened to the ancient Egyptians? The Persians? The Romans? The Mayans? ARE WE THEIR DESCENDANTS? Recent genetic discoveries are uncovering surprising lin
With a New Preface by the Author Through personal journeys and historical inquiry, this PEN Literary Award finalist explores how America’s still unfolding his
In most college and university libraries, materials published before 1800 have been moved into special collections, while the post-1923 books remain in general
The theory of traces employs techniques and tackles problems from quite diverse areas which include formal language theory, combinatorics, graph theory, algebra
Kumon Basic Skills Workbooks ensure that children master pencil-control skills with ease so that they love learning independently. Everything in our Basic Skill