Marilyn Lapenta Books

1, 2, 3 in the sea
1, 2, 3 in the sea

By Marilyn La Penta

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Travel Fun
Travel Fun

By Marilyn Lapenta

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My Little Wipe Off Colors My Little Wipe Off Book
My Little Wipe Off Colors My Little Wipe Off Book

By Marilyn Lapenta

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"Child can write, draw, and wipe each page clean again and again in this sturdy book of colorful activities that is perfect for little travelers!"

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My Family Album Reusable Activity Book
Nature and Science
Music Songs and Poems Early Skills Library
Activity Centers Early Skills Library Early Skills Library
Our America
Our America

By Marilyn Lapenta

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Phonics Fun
Phonics Fun

By Marilyn Lapenta, Kenn Goin

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Way cool drinks
Way cool drinks

By Marilyn La Penta

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Related Articles from our Blog

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.

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