Sandy Sepehri Books

Independence Day

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Simple text and illustrations explain Independence Day, or Fourth of July, including why the citizens of the thirteen colonies waged war against England and some of the holiday's activities.

Kwanzaa

By Sandy Sepehri

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Introduces Kwanzaa, including when, where, how, why and by whom it is celebrated.

Thanksgiving

By Sandy Sepehri

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Sound and light

By Sandy Sepehri

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Kwanzaa

By Sandy Sepehri

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Introduces Kwanzaa, including when, where, how, why and by whom it is celebrated.

Sound and light

By Sandy Sepehri

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How the Peacock Got Its Feathers

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Landforms

By Tom Sheehan, Sandy Sepehri

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Glaciers Landforms

By Sandy Sepheri

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Oceans Landforms

By Sandy Sepheri

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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.