Traces the history of people with disabilities from the discrimination they endured during much of history through the earliest efforts at change to the Americans with Disabilities Act of 1990 and the
Explains the organization of the Incan government, including the Sapa Inca's role as political and spiritual leader, how the empire collected taxes, and how crimes were punished.
This book will awe readers as they learn about the engineers that literally build the world around them. Readers will enjoy exploring the field of civil engineering, from designing bridges and roads t
