Constance Hale Books

Writing Character

By San Francisco San Francisco Writers Grotto, Constance Hale

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Writing Character

By San Francisco San Francisco Writers Grotto, Constance Hale

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Iwalani s tree

By Constance Hale

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"On the North Shore of Oahu, a girl named 'Iwalani lives with her family not far from Kaena Point, at the island's westernmost tip. 'Iwalani likes to wander down the beach to a place where an ironw...

Natives Are Restless

By Constance Hale

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Sin and Syntax

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A fully revised and updated edition with writing prompts and challenges in every chapterToday’s writers need more spunk than Strunk: whether it's the Great American e-mail, Madison Avenue advertis...

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.