John Lekich Books

The Losers Club

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"Alex inadvertently becomes a hero at school when he fends off tough-guy Jerry Whitman. A highly-amusing and entertaining novel with colourful characters" Cf. Our choice, 2003.

The prisoner of Snowflake Falls

By John Lekich

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"Fifteen-year-old Henry Holloway isn't immoral, he's just hungry. His mother died when he was nine, leaving him to be raised by his Uncle Andy and his friends, all amiable small-time crooks. When U...

Plan B

By John Lekich, Mike Harcourt

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Plan B

By John Lekich, Mike Harcourt

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Losers Club

By John Lekich

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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.