Robert Graysmith Books

The Laughing Gorilla

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During the 1920s, in more than a dozen cities, over four years, and across two continents, women were being butchered. Eyewitneses claim the perpetrator was a hulking Bible-carrying brute who lumbe...

The Girl in Alfred Hitchock s Shower

By Robert Graysmith

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The Girl in Alfred Hitchcock's Shower

By Robert Graysmith

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Marli Renfro was Janet Leigh's body double in the Hitchcock classic Psycho. When she disappeared, it was believed she was the victim of a serial killer. It was a mystery that took decades to solve-...

The Girl in Alfred Hitchcock s Shower

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Zodiac

By Stephan Rudnicki, Robert Graysmith

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Shooting Zodiac

By Robert Graysmith, Aaron Smith

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Shooting Zodiac

By Robert Graysmith, Aaron Smith

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Shooting Zodiac

By Robert Graysmith, Aaron Smith

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The Girl In Alfred Hitchcocks Shower A Murder That Became A Reallife Mystery A Mystery That Became An Obsession

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Zodiac Unmasked

By Robert Graysmith

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Robert Graysmith reveals the true identity of Zodiac—America's most elusive serial killer.Between December 1968 and October 1969 a hooded serial killer called Zodiac terrorized San Francisco....

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.