Gerald W. Haslam Books

Coming of Age in California

By Gerald W. Haslam

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The Great Tejon Club Jubilee

By Gerald W. Haslam

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In the tradition of Mark Twain and Will Rogers, Gerald Haslam's redoubtable Tejon-Club Gang returns the tall-tale and the bumpkin-humor traditions to their proper places in American letters...where...

Manuel and the Madman

By Gerald W. Haslam

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With the encouragement of his aging neighbor, "the Madman," Manuel, half-Anglo and half-Hispanic, faces the challenges of entering junior high school and comes to value his mixed heritage.

Coming of age in California

By Gerald W. Haslam

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Out of the Slush Pile and into Print

By Gerald W. Haslam, Perry Glasser

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Haslam's valley

By Gerald W. Haslam

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Straight White Male

By John Niven

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Workin Man Blues

By Richard Chon, Gerald W. Haslam, Alexandra Haslam Russell

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Workin Man Blues

By Gerald W. Haslam

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Other California

By Gerald W. Haslam

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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.