Lisl H. Detlefsen Books

If you had a jetpack

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Having a jetpack is fun if you know what to do with one. Join one inventive little rabbit as he and his brother put their new jetpack to good use!

If You Had a Jetpack

By Lisl H. Detlefsen

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Time for cranberries

By Lisl H. Detlefsen

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When the vines hang heavy with berries that the autumn winds have turned deep red, it's time for cranberries, and Sam is finally old enough to help with the harvest! This charming, lyrical picture...

1 2 3 Jump

By Lisl H. Detlefsen

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Still There Was Bread

By David Soman, Lisl H. Detlefsen

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At the End of the Day

By Lisl H. Detlefsen, Lynnor Bontigao

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A pitch-perfect story about a busy, exhausted, and loving family dealing with one obstacle after another in the run-up to bedtime, in the spirit of Alexander and the Terrible, Horrible, No Good, Ve...

At the End of the Day

By Lisl H. Detlefsen, Lynnor Bontigao

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Catkwondo

By Lisl H. Detlefsen, Erin Hunting

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Catkwondo

By Lisl H. Detlefsen, Erin Hunting

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Each Day Is a Gift

By Lisl H. Detlefsen, Natalia Vasilica

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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.