Claudia Casper Books

The reconstruction

By Claudia Casper

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The continuation of love by other means

By Claudia Casper

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The Continuation of Love by Other Means

By Claudia Casper

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The reconstruction

By Claudia Casper

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Margaret, a sculptor, has been hired by a museum to build a life-sized model of "Lucy," mankind's ancestral link to the primate world. Such an opportunity couldn't have come at a more fortuitous ti...

The Reconstruction

By Claudia Casper

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The reconstruction

By Claudia Casper

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The reconstruction.

By Claudia Casper

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The Mercy journals

By Claudia Casper

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This dystopian novel is set thirty years in the future, in the wake of a third world war waged as a result of a water crisis that ends in catastrophic destruction. When Mercy's long-lost brother Le...

Marmorstaub.

By Claudia Casper

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Mercy Journals

By Claudia Casper

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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.