Marcie Aboff Books

When Rachel helps Mr. Thomas with his tomato crop, they end up with way to many tomatoes, so Rachel and Mr. Thomas distribute the tomatoes to the neighbors, and Mr. Thomas gets to know the neighbor...

Shells alive

By Marcie Aboff

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When Kim and Josh visit their grandma at her beach house, they discover a new hobby--shell collecting! However, the shells Kim and Josh collect are not the biggest addition to their collection.

The pool party

By Marcie Aboff

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Sam is busily getting ready for his birthday pool party, but has to postpone it several times because of the weather and his sickness. He has to look several times at the thermometer to check the w...

If You Were an Inch or a Centimeter Math Fun

By Evelyn Marcie Aboff

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If You Were an Even Number Scholastic

By Marcie Aboff

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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.