Tanya Larkin Books

A brief biography of the adventurous Englishman who explored America, attempted to establish a colony on Roanoke Island, and searched for gold in South America.

What was cooking in Martha Washington's presidential mansions?

By Tanya Larkin

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Describes Martha Washington, wife of the first president of the United States, her activities during the Revolutionary Was and as first lady, and some of the foods she served at various stages in h...

What Was Cooking in Abigail Adam s White House Cooking Throughout American History

By Tanya Larkin

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What Was Cooking in Dolley Madison s White House Cooking Throughout American History

By Tanya Larkin

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What Was Cooking in Mary Todd Lincoln s White House Cooking Throughout American History

By Tanya Larkin

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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.