Leigh Olsen Books

The BFG Mad Libs

By Leigh Olsen, Roald Dahl

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Percy Jackson Mad Libs

By Leigh Olsen

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48 sidor ; 13.3 cm

When Belle's friend Mrs. Potts tells her about an annual winter ball that she used to attend years ago, Belle suggests they plan their own winter dance at the castle! But although Belle is excited,...

Adventure to Wishing Star Waterfall

By Leigh Olsen

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Charlie and the Chocolate Factory Mad Libs

By Leigh Olsen, Roald Dahl

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Fans of the classic children's novel and Broadway musical will love our Mad Libs! It's scrumdiddlyumptious!It's been over 50 years since the original publication of Roald Dahl's novel Charlie and t...

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.