Carl Sommer Books

I am a lion!

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After getting separated from his parents, a young lion begins to wonder what is wrong with him because he is so different from the gazelles he has joined.

If only I were

By Carl Sommer

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As she tries being one creature after another, from a cat to an elephant trainer, Missy the mouse discovers that everyone has problems and that she can find happiness as herself.

Tombo, the biggest, fastest, and strongest tadpole in the pond, teases and chases all the other tadpoles, but he comes to regret his bullying when he turns into the smallest, slowest, and weakest f...

Light Your Candle

By Kennon James, Carl Sommer

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Little Red Train

By Kennon James, Carl Sommer

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Mayor for a Day

By Carl Sommer

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Miserable Millie

By Carl Sommer

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No Longer a Dilly Dally

By Carl Sommer

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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.