Barbara DeRubertis Books

Let's celebrate Memorial Day

By Barbara DeRubertis

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Shares the origins of Memorial Day and the way it is often observed.

Let s celebrate Memorial Day

By Barbara DeRubertis

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Shares the origins of Memorial Day and the way it is often observed.

Let's Celebrate Emancipation Day & Juneteenth

By Barbara DeRubertis

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HOLIDAYS & HEROES brings to life the people whose holidays we celebrate. Enriched with colorful illustrations, photographs, and other historical images, this series will engage and involve children...

Let's Celebrate Independence Day

By Barbara DeRubertis

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Let's Celebrate Labor Day

By Barbara DeRubertis

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Let's Celebrate Memorial Day

By Barbara DeRubertis

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Let's Celebrate New Year's Day

By Barbara DeRubertis

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Let's Celebrate Women's Equality Day

By Barbara DeRubertis

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Perky Otter

By Barbara DeRubertis

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Neighbors Perky Otter and hard-working Bert the Beaver seem to be complete opposites until Perky learns that work is not all drudgery and her neighbor learns that play can actually be fun.

Tiny Tiger

By Barbara DeRubertis

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Tiny Tiger is too shy to play with the other cats, but then old Riley Lion gives him some wise advice.

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.