Sonia Sander Books

Good Luck Bear s Special Day Care Bears

By Sonia Sander

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Clifford helps Santa

By Sonia Sander

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Clifford wants to to wait up for Santa this year but a big snowstorm means Santa needs Clifford's help.

Tonka Phonics Reading Program

By Tonka Corporation

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Each book is a brief story emphasizing one of the short or long vowel sounds, plurals, or blends sh or ck.

Tonka Phonics Reading Program

By Tonka Corporation

Average: 0.00, 0 Ratings

Each book is a brief story emphasizing one of the short or long vowel sounds, plurals, or blends sh or ck.

Tonka Phonics Reading Program

By Tonka Corporation

Average: 0.00, 0 Ratings

Each book is a brief story emphasizing one of the short or long vowel sounds, plurals, or blends sh or ck.

Tonka Phonics Reading Program

By Tonka Corporation

Average: 0.00, 0 Ratings

Each book is a brief story emphasizing one of the short or long vowel sounds, plurals, or blends sh or ck.

Tonka Phonics Reading Program

By Tonka Corporation

Average: 0.00, 0 Ratings

Each book is a brief story emphasizing one of the short or long vowel sounds, plurals, or blends sh or ck.

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.