Serial Killers: The 20 Most Ruthless Criminals in History

By Mason Hallow

A warning before we begin: this book is not for the faint-hearted.

There are no disguises here, no softened edges. You won't find sugar-coated versions or incomplete accounts-only the raw, disturbing, and brutal reality of the most ruthless killers the world has ever known.

Think you know the world's most infamous killers? This book goes far beyond the usual names. From the notorious figures to the ones history barely remembers, here you'll uncover lesser-known stories, details overlooked by the media, and the darkest, most chilling aspects of their atrocities.

Each chapter delves into the twisted mind of a human predator-their motivations, their methods, and the crimes that shook humanity-to show just how far the human mind can warp when darkness takes hold.

• Format: Paperback
• Language: English
• ISBN: B0G3HRRH8C
• ISBN13: 9798275606232
• Release Date: November 2025
• Publisher: Independently Published
• Length: 228 Pages
• Weight: 0.68 lbs.
• Dimensions: 0.5" x 6.0" x 9.0"