David Lewman Books

"SpongeBob amazes an ice-hockey scout with his skills while sweeping up the Krusty Krab, and he soon finds himself playing professional hockey! But when he realizes whose team he is playing for, an...

Sponge out of water

By David Lewman

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When the Krabby Patty is threatened by a new enemy, SpongeBob SquarePants and his friends must rise and become the heroes stories are written about.

The secret life of pets

By David Lewman

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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...

The secret life of pets

By David Lewman

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Trolls

By David Lewman

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Meet the Trolls who live in Troll Village, including Poppy, Branch, and Creek.

TROLLS HC DELUXE J

By Random House

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Eat It First Ask Questions Later Nickelodeon Rugrats

By David Lewman

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The Rugrats more jokes

By David Lewman, Lewman

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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.

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.