David Lewman Books

The secret life of pets

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Max is a dog with a perfect life--he lives in a New York City apartment with his owner, Katie, and has pet friends all over his building. But all that changes when Katie brings home another dog--Du...

More Rugrats Jokes

By David Lewman

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Case of the missing gold

By David Lewman

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Jokes from the Krusty Krab

By David Lewman

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Jurassic World: Fallen Kingdom: The Deluxe Junior Novelization (Jurassic World: Fallen Kingdom)

By David Lewman

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Relive the excitement of the blockbuster film Jurassic World: Fallen Kingdom--which opens to US audiences on June 22, 2018--with this hardcover deluxe novelization!Universal Pictures and Amblin Ent...

A day in the life of Tommy

By David Lewman

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Join in the wacky activities of Tommy as he spends a day exploring the world with his pals.

The Wild Thornberrys animal riddles

By David Lewman

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The case of the plagued play

By David Lewman

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"The school play is in danger of closing before it even opens if Club CSI: can't figure out who's ruining rehearsals! Someone is trying to sabotage the school play, and it's up to Hannah, Ben, and...

First contact

By David Lewman

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Agent Glyker of the Secret Government Agency is after the Rabbids, who are invading the Earth.

The accidental accomplice

By David Lewman

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Agent Glyker of the SGAII-RD continues his pursuit of the Rabbids with his new collection of spy gadgets, while the Rabbids may have a new ally in Courtney.

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.