How do planets move? What keeps the moon in orbit? In The System of the World, legendary physicist Isaac Newton expands upon his theories of gravity, motion, and planetary dynamics, offering one of ……続きを見る
Unsung Heroes.
This book brings to light the extraordinary lives and contributions of ten unsung heroes of the Civil Rights Era, individuals whose relentless dedication and bravery played a crucial ……続きを見る
Visionary Inventors
This book delves into the life and legacy of Nikola Tesla, a visionary inventor whose groundbreaking contributions revolutionized the modern world. It begins with an exploration ……続きを見る
