Theo. LeSieg Books

Would You Rather Be a Bullfrog

By Theo Le Sieg

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The Eye Book

By Dr. Seuss

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You'll be amazed at the things you can see with Dr. Seuss in this hardcover picture book all about your eyes--now in a board book format perfect for the littlest of readers! Take a look around-...

The Eye Book

By Dr. Seuss, Theodore Le Sieg

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You'll be amazed at the things you can see with Dr. Seuss in this hardcover picture book all about your eyes--now in a board book format perfect for the littlest of readers! Take a look around-...

The eye book

By Dr. Seuss

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A boy and rabbit both have two eyes that see all kinds of things, from blue and red to a bird and a bed.

Ten Apples Up On Top!

By Dr. Seuss

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Count your way through this silly stacking adventure with Dr. Seuss! Don't let the apples drop! Three animal friends practice balancing apples on their heads in this hilarious introduction to...

A rhymed Dr. Seuss classic Beginner Book about self-acceptance! In this comical easy-reader by Dr. Seuss, a young boy weighs the pros and cons of possessing various animal appendages—such as a deer...

I Wish That I Had Duck Feet Beginner Books R

By Dr. Seuss

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WOULD U RATHER BE BLFR Bright and Early Books

By Dr. Seuss

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Please Try to Remember the First of Octember Beginner Books R

By Dr. Seuss

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Wacky Wednesday

By Theo. LeSieg

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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.