Catherine Coulter Books

Portraits of homoeopathic medicines

By Catherine Coulter

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Homoeopathic Sketches of Children s Types

By Catherine Coulter

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The Courtship

By Catherine Coulter

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The stunning Regency-era romance from #1 New York Times bestselling author Catherine Coulter.Characters from two of Coulter’s most beloved novels in the Sherbrooke Bride series find each...

Lord of Hawkfell Island

By Catherine Coulter

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Cove the

By Catherine Coulter

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The lost key

By Catherine Coulter

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Freshly minted FBI agent Nicholas Drummond is barely out of his Quantico training when he and his partner, Mike Caine, are called to investigate a stabbing on Wall Street. Their investigation, howe...

Backfire

By Catherine Coulter

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Nemesis

By Catherine Coulter

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When Special Agent Lacey Sherlock foils a terrorist attack at JFK airport, she thinks her job is done and turns the reins over to the New York FBI. But stopping the grenade-carrying crazy was only...

Bombshell

By Catherine Coulter

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FBI Special Agent Griffin Hammersmith has been recruited by Dillon Savich to join his unit in Washington, D.C. Savich sees something special in Hammersmith, an almost preternatural instinct for tra...

The end game

By Catherine Coulter

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FBI agent Nicholas Drummond and his partner, Mike Caine, are deep into an investigation of COE -- Celebrants of the Earth -- a violent group known for widespread bombings of power grids and oil ref...

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.