Jean Van Leeuwen Books

Benjie Power Zings

By Jean Van Leeuwen

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More Tales of Amanda Pig Easy to Read Puffin

By Jean Van Leeuwen, Marjorie Michaels

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Dear Mom, you're ruining my life

By Jean Van Leeuwen

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Samantha Slayton's eleventh year includes losing her last baby teeth, towering over every boy in dance school, and being mortified by everything her mother does.

Dear Mom, you're ruining my life

By Jean Van Leeuwen

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Samantha Slayton's eleventh year includes losing her last baby teeth, towering over every boy in dance school, and being mortified by everything her mother does.

Oliver Amanda and Grandmother Pig

By Jean Van Leeuwen

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Oliver Pig at school

By Jean Van Leeuwen

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During Oliver Pig's first day at school, he builds with blocks, plays with his toy dinosaur, and makes a new friend.

Oliver Pig at school

By Jean Van Leeuwen

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During Oliver Pig's first day at school, he builds with blocks, plays with his toy dinosaur, and makes a new friend.

Benjy in business

By Jean Van Leeuwen

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Eight-year-old Benjy tries various schemes to earn money to buy a baseball glove.

Benjy in business

By Jean Van Leeuwen

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Eight-year-old Benjy tries various schemes to earn money to buy a baseball glove.

Amanda Pig on Her Own Easy to Read Dial

By Jean Van Leeuwen

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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.