Linda Jacobs Altman Books

Everyone's watching Tammy

By Linda Jacobs Altman

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Tammy discovers that being concerned about someone else with problems helps overcome her own self-conscious feelings.

Everyone's watching Tammy

By Linda Jacobs Altman

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Tammy discovers that being concerned about someone else with problems helps overcome her own self-conscious feelings.

Checkmate Julie

By Linda Jacobs Altman

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Julie has to learn for herself whether winning at chess and being true to herself is more important than popularity with the opposite sex.

Checkmate Julie

By Linda Jacobs Altman

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Julie has to learn for herself whether winning at chess and being true to herself is more important than popularity with the opposite sex.

Will the real Jeannie Murphy please stand up

By Linda Jacobs Altman

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During summer vacation Jeannie gets contact lenses, loses weight, and gets a new wardrobe, but back in school she discovers she is still the same person inside.

Will the real Jeannie Murphy please stand up

By Linda Jacobs Altman

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During summer vacation Jeannie gets contact lenses, loses weight, and gets a new wardrobe, but back in school she discovers she is still the same person inside.

Mary Decker

By Linda Jacobs Altman

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A biography of a California schoolgirl who by the age of fifteen had already broken world speed records in running.

Mary Decker

By Linda Jacobs Altman

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A biography of a California schoolgirl who by the age of fifteen had already broken world speed records in running.

Joan Moore Rice

By Linda Jacobs Altman

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A brief biography of the champion gymnast who gave up her amateur status to open a gymnastics training school.

Joan Moore Rice

By Linda Jacobs Altman

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A brief biography of the champion gymnast who gave up her amateur status to open a gymnastics training school.

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.