Robert Kraus Books

Big Squeak, Little Squeak

By Robert Kraus

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Two mice have a dangerous encounter when they venture into a cheese shop run by Mr. Kit Kat.

Mort the Sport

By Robert Kraus

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Mort's attempts to excel at playing both baseball and the violin make him so confused that he decides to take up chess instead.

Mouse In Love

By Robert Kraus

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Mouse searches high and low for his true love, only to find her right next door.

Mort the sport

By Robert Kraus

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Mort's attempts to excel at playing both baseball and the violin make him so confused that he decides to take up chess instead.

Mouse in love

By Robert Kraus

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Mouse searches high and low for his true love, only to find her right next door.

How Spider saved Easter

By Robert Kraus

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Although he doesn't usually celebrate Easter, Spider has some pleasant adventures with Ladybug and Fly.

How Spider stopped the Litterbugs

By Robert Kraus

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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.