Peter Hartling Books

A Woman

By Daniel L. Hartl

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Schubert

By Peter Hartling, Daniel L. Hartl

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Brilliant, soulful, poor, and doomed to a short life, Franz Peter Schubert (1797-1828) in many ways embodied the Romantic era in which he lived. In this vibrant biographical novel, Peter Hartling b...

Ben loves Anna

By Peter Hartling

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When Anna moves to his town from Poland, ten-year-old Ben, an ordinary boy not very interested in love, discovers that having someone to love is confusing, difficult, and wonderful.

Ben loves Anna

By Peter Hartling

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When Anna moves to his town from Poland, ten-year-old Ben, an ordinary boy not very interested in love, discovers that having someone to love is confusing, difficult, and wonderful.

Granny

By Peter Hartling, Daniel L. Hartl

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Theo Runs Away Andersen Young Readers Library

By Daniel L. Hartl

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Turas in eadan na gaoithe

By Peter Hartling

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Holderlin

By Peter Hartling

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Ben est amoureux d'Anna

By Peter Hartling

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Vieux John

By Peter Hartling

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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.