John Sazaklis Books

Transformers: Rescue Bots: Land Before Prime

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After Blades and Dani spot a pterodactyl flying high above Griffin Rock, the team discovers dinosaurs all over Wayward Island. Can the Rescue Bots and their friends stop the dinos in their tracks?

Transformers Robots in Disguise: Sideswipe Versus Thunderhoof

By John Sazaklis

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Transformers Rescue Bots: Meet High Tide

By John Sazaklis

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"Optimus Prime wants his friend High Tide to teach the Rescue Bots about water rescues. But first, High Tide must learn about teamwork in order to help protect the people of Griffin Rock"--

Guardians of the Galaxy (Marvel: Guardians of the Galaxy)

By John Sazaklis, Michael Atiyeh, Michael Borkowski

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Star-Lord, Groot, Rocket, and the other Guardians of the Galaxy race through a universe filled with foes to save the day! Boys and girls ages 2 to 5 will love this action-packed Little Golden Book...

Secrets of the Batcave

By John Sazaklis, Patrick Spaziante

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Spider Man Versus Venom Turtleback School Library Binding Edition I Can Read Book 2

By John Sazaklis

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Dawn of the Dynamic Duo

By John Sazaklis

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Fright Club

By John Sazaklis

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Fowl Play Turtleback School Library Binding Edition Batman

By John Sazaklis

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Day of the Undead

By Sazaklis John Joe Merkel

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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.