Katrina Germein Books

The ideal gift book for anyone whose dad makes them laugh — or roll their eyes.When his son says “I’m hungry,” Dad says, “Hello, Hungry. Pleased to meet you.” Be...

My Dad Still Thinks He s Funny

By Katrina Germein, Tom Jellett

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Wonderful Wasps

By Katrina Germein, Suzanne Houghton

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My Dad Thinks He's a Pirate

By Katrina Germein Illustrated By Tom Jellett

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Why are Dad’s pirate jokes funny? Because they arrr in this pun-filled, giggle-worthy tribute to the paternal comedians among us. Captain Dad and his crew are having a day at the ocean, and o...

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.