Jenny Adams Books

Hollywood Hellmouth

By Jenny Adams, Armand Rosamilia, Jack Wallen, Brent Abell, Jay Wilburn

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When a film star is poisoned in Prohibition-era Philadelphia, private investigator Edie Shippen is on the case in the second Deadly Twenties mystery, perfect for fans of Deanna Raybourn and Rhys Bo...

A Poisonous Silence

By Jenny Adams

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A Poisonous Silence

By Jenny Adams

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A Deadly Endeavor

By Jenny Adams

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A serial killer is on the loose in Jazz Age Philadelphia in Jenny Adams’ debut historical mystery, perfect for fans of Deanna Raybourn and Rhys Bowen.Philadelphia, 1921. When Edie Shippen ret...

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.