Jean Van Leeuwen Books

Talesof Oliver pig

By Jean Van Leeuwen

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Moretales of Oliver pig

By Jean Van Leeuwen

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Tales of Oliver Pig

By Jean Van Leeuwen

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More tales of Oliver Pig

By Jean Van Leeuwen

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The great Christmas kidnaping caper

By Jean Van Leeuwen

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In comfortable residence at Macy's during the Christmas season, Merciless Marvin the Magnificent and his gang are convinced that the store's Santa Claus has been kidnapped and determine to save him.

The great rescue operation

By Jean Van Leeuwen

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When one of their cronies is missing from his favorite haunts in Macy's toy department, Merciless Marvin and his protégé Raymond set out to find him.

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.

Amanda Pig and Her Big Brother Oliver Easy to Read Puffin

By Jean Van Leeuwen

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More Tales of Amanda Pig Easy to Read Puffin

By Jean Van Leeuwen

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Oliver Amanda and Grandmother Pig Easy to Read Puffin

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.