Nicki Weiss Books

Scoop!

By Nicki Weiss, Monica Weiss

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Charlie and Anna perform simple addition as they transfer nine fish from a jar to a fishbowl.

Mmmm-- cookies!

By Nicki Weiss, Monica Weiss

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The Frimble family performs simple subtraction as they sample a tray of freshly baked cookies.

The Biggest Pest

By Nicki Weiss, Monica Weiss

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Marty introduces the concept of comparison as he challenges his cousins to a variety of contests.

Shopping spree

By Nicki Weiss, Monica Weiss

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While on a shopping trip, the Frimble frogs identify a variety of shapes.

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.