Allan Ahlberg Books

There's a wocket in my pocket!

By Dr. Seuss

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Funnybones

By Janet Ahlberg

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Each peach pear plum

By Janet Ahlberg

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Reading 2000 (Novel Ideas R2000 Picture Book Study Guide)

By Sallie Harkness, Margaret Burnell, Catherine Allan

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The Jolly Postman

By Janet Ahlberg, Allan Ahlberg

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A Jolly Postman delivers letters to several famous fairy-tale characters such as the Big Bad Wolf, Cinderella, and the Three Bears. Each letter may be removed from its envelope page and read separa...

The Jolly Postman: Or Other People's Letters

By Janet Ahlberg

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The Baby's Catalogue

By Janet Ahlberg

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Babies, their families, and familiar objects and activities are depicted in whimsical drawings which present the daily routines of the lives of babies and their parents. Includes some vocabulary wo...

Baby's Catalogue, The: Baby Sleeps

By Janet Ahlberg, Allan Ahlberg

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Simple text and illustrations present the various activities that fill a baby's day.

Doll and Teddy

By Janet Ahlberg

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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.