Stephen Hillenburg Books

SpongeBob Message Board

By Stephen Hillenburg, Selma Lola Chambers

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Appropriate illustrations accompany words, such as boy--girl, swim--walk, one--two, which are arranged into such inclusive groups as People, Things We Do, and Numbers.

Wonderful Wormy Posters to Color

By Golden Books

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Bring On the Rock Color Plus Slide Whistle

By Golden Books

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Greetings From Bikini Bottom SpongeBob SquarePants

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Hide and sneak

By Stephen Hillenburg

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Adventures in Bikini Bottom

By Stephen Hillenburg

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In Camp SpongeBob, we see that when SpongeBob becomes Sandy's assistant at Bikini Bottom's first summer camp, his enthusiasm starts to annoy the other staff. In Trouble at Krusty Krab, only SpongeB...

Bikini Bottom Buddies SpongeBob SquarePants Friendship Box

By Random House

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Atlantis Squarepants

By Stephen Hillenburg

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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.