Catherine Friend Books

Funny Ruby

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Four stories about the antics of a silly sheep named Ruby as she picks flowers, jumps, eats hay, and plays with a friend.

Silly Ruby

By Catherine Friend

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Silly Ruby

By Catherine Friend

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Four stories about the antics of a silly sheep named Ruby as she plays in the dirt, eats a cow's corn, makes too much noise, and knocks apples from a tree.

Eddie the Raccoon

By Catherine Friend Illustrated By Wong Herbert Yee

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Every child can read Brand New Readers!Unlike most reading programs, Brand New Readers are short, funny stories written by award-winning authors, full of bright, colorful artwork by illus...

Eddie Digs a Hole Brand New Readers

By Catherine Friend

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The Perfect Nest

By Catherine Friend

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The Perfect Nest

By Catherine Friend Illustrated By John Manders

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“Perfect fine-feathered fun.” — Kirkus Reviews (starred review)Jack the cat is building the perfect nest. It’s bound to attract the perfect chicken, who will lay t...

When Night and Day Meet

By Catherine Friend

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My head is full of colors

By Catherine Friend

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Each morning when Maria wakes up, she finds her hair is full of colors, books, animals, or people.

My head is full of colors

By Catherine Friend

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Each morning when Maria wakes up, she finds her hair is full of colors, books, animals, or people.

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.