Robin Hansen Books

Ice Harbor mittens

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One very foggy day, eleven-year-old Josie, a sternman, discovers why the fishermen of Ice Harbor place so much value on the mittens Aunt Agnes knits for each of them.

Ice Harbor Mittens

By Jamie Hogan, Robin Hansen

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"Filled with a wide array of classic knitting patterns, this book is, in essence, the ultimate mitten book. The patterns are organized from simple to difficult and their origins range from traditio...

Ultimate Mittens

By Robin Hansen

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Favorite Mittens

By Robin Hansen

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Favorite Mittens

By Robin Hansen

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Ultimate mittens

By Robin Hansen

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Sublime Band Adult Coloring Book

By Robin Hansen

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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.