Barbara DeRubertis Books

Zeely Zebra

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Although she is not the biggest or strongest or fastest zebra, Zely practices very hard, with the help of Speedy Cheetah, and wins a spot on the Zebra All Star Racing Team.

Joey Goat

By Barbara DeRubertis

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Joey Goat loves to play tricks on his animal friends, but finally he learns that a joke is only fun if everyone enjoys it.

Suzy Mule

By Barbara DeRubertis

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Suzy Mule follows her friend Bruce the Goose on his way south, and when they arrive at Stu's Dude Ranch in the desert they decide to stay.

Marty Aardvark

By Barbara DeRubertis

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An aardvark who longs to travel far takes a trip downriver on a barge and has quite an adventurous journey, before deciding that she will be glad to return home to her ant farm.

Bouncy Mouse

By Barbara DeRubertis

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After being scolded by his father for being too noisy, Bouncy Mouse forms a band that is a big hit at the county fair.

Rooney 'Roo

By Barbara DeRubertis

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Rooney 'Roo is a rather solitary kangaroo until he learns to share his love of reading with a friend.

Wally Walrus

By Barbara DeRubertis

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Bad experiences with a bully make Wally the Walrus balk at going to school before he learns to call upon his natural abilities to prove himself.

Let s celebrate Thanksgiving Day

By Barbara DeRubertis

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The passing seasons are used as a vehicle to tell the parallel stories of the Wampanoag and the Pilgrims, from the Pilgrims landing in 1620 through the first shared Thanksgiving feast in November 1...

Let's Celebrate Martin Luther King Jr. Day

By Barbara DeRubertis

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Let s Celebrate Martin Luther King Jr. Day

By Barbara DeRubertis

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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.