Tom Glazer Books

All about your name, Mary (Maria, Molly, Marie, Miriam, Marion, Maureen)

By Tom Glazer

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Discusses the name Mary and the many interesting people throughout history who have held that name.

All about your name, William (Will, Bill, Willie, Billy, Willy)

By Tom Glazer

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Discusses the name William and the many interesting people throughout history who have held that name.

All about your name, William (Will, Bill, Willie, Billy, Willy)

By Tom Glazer

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Discusses the name William and the many interesting people throughout history who have held that name.

All about your name, John, Johnny, Jack, Jackie

By Tom Glazer

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Discusses the name John and people of historical, literary, and theatrical significance who have held that name.

All about your name, John, Johnny, Jack, Jackie

By Tom Glazer

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Discusses the name John and people of historical, literary, and theatrical significance who have held that name.

All about your name, James, Jim, Jamie, Jimmy

By Tom Glazer

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A collection of facts about the people, places, and things who are or have been named James.

All about your name, James, Jim, Jamie, Jimmy

By Tom Glazer

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A collection of facts about the people, places, and things who are or have been named James.

All about your name, Katherine

By Tom Glazer

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Discusses the name Katherine and people of historical significance who have held that name.

All about your name, Katherine

By Tom Glazer

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Discusses the name Katherine and people of historical significance who have held that name.

All about your name, Joseph, Joe, Joey, Jo-Jo

By Tom Glazer

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Discusses the name Joseph and identifies people of significance with that name.

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.

Tom Glazer Books

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?