Sandra Block Books

Busy Family s Guide to Money USA TODAY Nolo Series

By John Waggoner, Sandra Block, Kathy Chu

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Girl Overboard

By Sandra Block

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This fast-paced thriller about a girl who investigates her friend's disappearance during their cruise ship vacation is Ruth Ware’s The Woman in Cabin 10 for teens—and it’s a paper...

Easy Ways to Lower Your Taxes

By Sandra Block, Stephen Fishman

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Girl Without a Name Free Preview first Six Chapters

By Sandra Block

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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.