Cathrine Barr Books

99 ducks plus 1.

By Cathrine Barr

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Wanting a pet, a little boy feeds the ducks on the pond until they fly south for the winter--all but one.

Gingercat's catch.

By Cathrine Barr

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Before returning to the United States, two children look for a new home for the cat they must leave behind in India.

Peppy of Portugal.

By Cathrine Barr

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Manuel cannot keep his burro unless it earns its own keep, but what can such a mischievous animal do?

All about Bird.

By Cathrine Barr

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A youngster rescues a wounded bird, feeds it, plays games with it, and then must decide what to do when its wing has healed.

Little Ben

By Cathrine Barr

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Sammy Seal of the Circus

By Cathrine Barr

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Raffie

By Cathrine Barr

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Jingle and Sox.

By Cathrine Barr

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Though a dog is jealous of his master's new pet fawn, he grudgingly searches for her when she is missing.

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.