Tony Marino Books

Diccionario McGraw-Hill De Biologia

By Sybil P. Parker

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The 1 Guide to Save Your Business from Lazy F Ks

By Tony Marino

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Intergalactic Grudge Match Widget

By Tony Marino

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To prevent the evil Ratchet from trashing the earth with toxic wastes, Widget, a teenage extraterrestrial hero, engages in a wrestling match with Garbantua.

Ratchet Hood

By Tony Marino

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Mega-Brain and his merry band of brains try to help Widget, a teenage alien hero, stop Ratchet Hood from bankrupting the Clean Earth Foundation.

Scraboolee jubilee

By Tony Marino

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Teenage alien hero Widget seeks to rescue his mechanical sidekick Mega-Brain, who has been kidnapped by crocodiles from outer space.

Discipling Church Our Great Commission

By Brian Whiteside, Michael Duncan, Tony Marino, Christian Discipleship Ministries International Staff, Jeffrey Klick

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Winnie the Pooh and a Day for Eeyore VHS

By Ron Clements, Steve Hulett, A.A. Milne, Peter Young, Tony Marino, Rick Reinert

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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.