Signe Kopps Books

The Counterfeit Man

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This exciting historical novel is the story of the Queen of Sheba who rode out of the Arabian Desert on camel caravan 3,000 years ago carrying a magnificent treasure in frankincense and gold to Kin...

Mermaid'S Gold (Ysabel The Summoner #2)

By Signe Kopps

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Ysabel the Summoner is on a new adventure helping her giant friend Horace, search for a golden tree that grows on an island in the middle of the frozen Northfast Sea. Ysabel is confident in her gro...

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.