Halbert W. Hall Books

Louis L'Amour: An Annotated Bibliography And Guide

By Halbert W. Hall, Introduction By Michael T. Marsden, Afterword By Michael T. Marsden And Kristine Fredriksson

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This Is A Comprehensive Guide To Works Written By And About Louis L'amour. The First Part Documents All Of His Book-length Works, Providing Extensive Information On Editions, Reprints And Translati...

The Work Of Louis L'Amour

By Halbert W. Hall, Hal W. Hall; Edited By Boden Clarke

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The Work Of Louis L'Amour: An Annotated Bibliography &Amp; Guide

By Boden Clarke, Halbert W. Hall, Hal W. Hall

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Science Fiction And Fantasy Book Review Index, 1986 (Science Fiction And Fantasy Book Review Index)

By Halbert W. Hall

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Science Fiction Book Review Index, 1923-1973

By Halbert W. Hall

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xvi, 438 pages ; 28 cm [V. 1] 1923-1973 -- [v. 2] 1974-1979

Science Fiction Book Review Index, 1974-1979

By Halbert W. Hall, Hall, Halbert W

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xx, 391 pages ; 29 cm

The Work Of Louis L'Amour: An Annotated Bibliography & Guide

By Boden Clarke, Halbert W. Hall

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Science Fiction And Fantasy Reference Index 1878-1985: Author Entries ; Subject Entries

By H.W. Hall, Halbert W. Hall

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V. 1. Author Entries -- V. 2. Subject Entries. Edited By H.w. Hall. Bibliography: V. 1, P. Xv-xviii.

Science Fiction And Fantasy Research Index

By Halbert W. Hall, Hal W. Hall

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Science Fiction And Fantasy Book Review Index, 1980-1984

By Halbert W. Hall

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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.