Jen Lancaster Books

Sik ago daiori

By Jen Lancaster

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Pretty in Plaid

By Jen Lancaster

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Jen Lancaster's cultural inferiority complex had to come from somewhere...and now fans can find out where in this hilarious New York Times bestselling memoir from the author of Bitter is the New Bl...

My fair lazy

By Jen Lancaster

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Jeneration X

By Jen Lancaster

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If you were here

By Jen Lancaster

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"If You Were Here follows Amish-zombie-teen- romance author Mia and her husband Mac (and their pets) through the alternately frustrating, exciting, terrifying-but always funny-process of buying and...

By the numbers

By Jen Lancaster

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"The New York Times bestselling author of The Best of Enemies serves up a hilarious new novel of the "sandwich generation." Actuary Penny Sinclair has a head for business, and she always makes rati...

If You Were Here

By Jen Lancaster

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Watch a video The fiction debut of the New York Times bestselling author of My Fair Lazy. Told in the uproariously entertaining voice readers have come to expect from Jen Lancaster, I...

Here I go again

By Jen Lancaster

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Pretty in plaid

By Jen Lancaster

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Pretty in Plaid

By Jen Lancaster

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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.