"Elvis Presley Treasures: Story of the King of Rock 'n' Roll Told Through Mementos" is a nonfiction picture book authored by Gillian G. Gaar and published by Weldon Owen. The book offers a glimpse into the life of Elvis Presley through mementos and illustrations, making it an engaging read for adult fans of music history. With its focus on the iconic rock 'n' roll legend, this book is a must-have for anyone interested in learning more about the impact and legacy of Elvis Presley.