Jack Boulware Books

Frommer's San Francisco by Night

By Joe Brown, Jack Boulware, Tyler Davidson

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Gimme Something Better

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" [An] endlessly fascinating and frankly addictive masterpiece of safety-pin journalism." -- Austin ChronicleAn oral history of the modern punk-revival's West Coast BirthplaceOutside of New York an...

San Francisco Bizarro: A Guide to Notorious Sites, Lusty Pursuits, and Downright Freakiness in the City by the Bay

By Jack Boulware

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Sex American Style

By Jack Boulware

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Gimme Something Better

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Gimme Something Better

By Jack Boulware, Silke Tudor

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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.