Beyond the scientific achievements that made him world-famous, these letters present Tesla as a son, nephew, cousin, and family member, providing valuable insight into the human side of one of history's greatest inventors. The collection serves as an important historical document that helps readers better understand Tesla's character, values, and personal experiences. An exceptional addition to any Tesla collection, this publication is ideal for historians, researchers, collectors, and anyone interested in the life and legacy of Nikola Tesla. Important note: This book is written in the Serbian language.