Lois Ehlert Books

Market day

By Lois Ehlert

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On market day, a farm family experiences all the fun and excitement of going to and from the farmers' market.

Growing vegetable soup

By Lois Ehlert

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A father and child grow vegetables and then make them into a soup.

Top cat

By Lois Ehlert

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The top cat in a household is reluctant to accept the arrival of a new kitten but decides to share various survival secrets with it.

Top cat

By Lois Ehlert

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The top cat in a household is reluctant to accept the arrival of a new kitten but decides to share various survival secrets with it.

Dia De Mercado

By Lois Ehlert

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On market day, a farm family experiences all the fun and excitement of going to and from the farmers' market

Pie in the sky

By Lois Ehlert

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A father and child watch the cherry tree in their back yard, waiting until there are ripe cherries to bake in a pie. Includes a recipe for cherry pie.

Pie in the sky

By Lois Ehlert

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A father and child watch the cherry tree in their back yard, waiting until there are ripe cherries to bake in a pie. Includes a recipe for cherry pie.

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.