Robert Kraus Books

Jack O'Lantern's Scary Halloween

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While trick-or-treating on Halloween, Jack O'Lantern and friends are not afraid of a witch or even a monster, but when a small girl opens the door, they run away in fear.

Dr. Mouse, Bungle Jungle doctor

By Robert Kraus

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Dance Spider Dance Road to Reading

By Western Publishing, Robert Kraus

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Dr. Mouse Bungle Jungle Doctor Golden Easy Reader Level 2 Grades 1 2

By Robert Kraus

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Dance Spider Dance Road to Reading

By Golden Books

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Dr. Mouse, Bungle Jungle doctor

By Robert Kraus

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Where are you going, little mouse?

By Robert Kraus

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Mrs. Elmo of elephant house

By Robert Kraus

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A mouse couple become employed in the home of Mrs. Elmo, an elephant, where they work hard but have interesting adventures.

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.