Eric Berlin Books

The potato chip puzzles

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Winston and his friends enter an all-day puzzle event to win fifty-thousand dollars for their school, but they must also figure out who is trying to sabotage them.

Winston attends a weekend of puzzles at a famous musician's mansion, but when he and other young guests pursue a thief, they find themselves in big trouble. Puzzles for the reader to solve are incl...

Babes and Brides

By Eric Berlin

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Puzzling World of Winston Breen

By Eric Berlin, BookSource Staff

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Ethosisme

By Jo M. Sekimonyo, Eric Berlin, Tara V. Casimir

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Off The Wall Word Searches

By Janinne Berlin, Eric Berlin

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Word Search Puzzles for a Road Trip

By Eric Berlin

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Pause for Puzzles

By Janinne Berlin, Eric Berlin

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Word Search Puzzles for the Weekend

By Eric Berlin

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Word Search Puzzles for Your Backpack

By Eric Berlin

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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.