William Joyce Books

Summary, While spending the day in the Robinson household, Wilbur's best friend joins in the search for Grandfather Robinson's missing false teeth and meets one wacky relative after another.

Dinosaur Bob and his adventures with the family Lazardo

By William Joyce

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While vacationing in Africa, the Lazardo family finds and brings back to America a friendly dinosaur that becomes the talk of the town.

Dinosaur Bob and His Adventures With the Family Lazardo

By William Joyce

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Rolie Polie Olie Party Kit

By William Joyce

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The True Story of E. Astor Bunnyman and the Eggs of Wonder

By William Joyce

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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.