Littell Robert Books

The Sisters

By Robert Littell

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Left and right with Lion and Ryan.

By Littell Robert

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In order to keep his job in the circus, Ryan must teach Lion the difference between left and right, so the reader learns with Lion which side is which.

Gaston's ghastly green thumb.

By Littell Robert

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Gaston always used his thumb to load the vegetables onto his fork until one day his thumb became a garden.

Le sphinx de Siberie

By Littell Robert

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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.