Thomas Macri Books

These Are The Avengers Turtleback School Library Binding Edition World of Reading Level 1

By Thomas Macri

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These Are The X Men Turtleback School Library Binding Edition World of Reading Level 1

By Thomas Macri

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The Big Golden Book of Aliens Creatures and Beasts Star Wars

By Thomas Macri

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The Avengers Assemble

By Richard Thomas

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The Kree Skrull war

By Thomas Macri

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Conflict arises when the merciless Kree and the Skrulls go to war, placing the Earth in danger as it waits for help from Captain Mar-Vell and the Avengers.

This is Spider Man

By Thomas Macri

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Introduces the superhero Spider-Man, explaining what makes him special.

The Story of SpiderMan (Level 2)

By DBG

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Tells the story of Peter Parker, a normal teenage boy who, when bitten by a radioactive spider and given spider-like super powers, decides to fight crime as the superhero Spider-Man.

Spidey s new costume

By Thomas Macri

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After Spider-Man receives a new, powerful costume, the hero begins to wonder where its power comes from and whether it is good or evil.

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.