Katherine Bohlmann Books

Grandpa is there a heaven?

By Katherine Bohlmann

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Grandma and the pirates

By Phoebe Gilman

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When pirates, attracted by the smell of home-cooked noodle pudding, abduct Grandma and her parrot, clever Melissa comes up with a plot to set Grandma free.

Babushka s Doll

By Patricia Polacco

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Grandma and the pirates

By Phoebe Gilman

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Grandma What Is Prayer

By Katherine Bohlmann

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Grandpa Is There a Heaven

By Katharine Bohlmann

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Grandma and the Pirates

By Phoebe Gilman

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Grandma and the Pirates

By Phoebe Gilman

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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.