Robert Keeshan Books

While enjoying her new home at the hotel, Itty Bitty Kitty has a scary adventure at the pool and a narrow escape from the manager, the only staff member who does not like her.

Just right for Itty Bitty Kitty

By Robert Keeshan

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When the hotel manager orders Itty Bitty Kitty out, the other employees try to find her a home, but it seems that the hotel is where she belongs.

Captain Kangaroo

By Robert Keeshan

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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.