Margaret Crocker Books

Pre-K Beginning Letters Workbook: Activities, Exercises, and Tips to Help Catch Up, Keep Up, and Get Ahead

By Sylvan Learning

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Over my head

By Margaret Crocker

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Tap! Clack! Quack! Who can sleep with all that noise? This charming story shows Lou trying to go to bed while someone above is having fun. WIll his neighbor ever stop?

Pre K Letters Numbers and Shapes Jumbo Workbook

By Sylvan Learning

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Kindergarten Alphabet Activities

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Kindergarten Language Arts Success

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Learn to Read Pre K Level 1 MM

By Sandviks HOP

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First Grade Word Puzzles

By Sylvan Learning

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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.