Wayne Geehan Books

SIR CUMFERENCE AND THE FIRST ROUND TABLE

By CINDY NEUSCHWANDER

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Sir Cumference And The Off The Charts Dessert

By Cindy Neuschwander, Wayne Geehan

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Sir Cumference And The Fracton Faire

By Cindy Neuschwander, Wayne Geehan

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Sir Cumference And The Sword In The Cone (Math Adventures (Prebound))

By CINDY NEUSCHWANDER, Wayne Geehan, Cindy Neuschwander Creator

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sir Cumference, Radius, And Sir Vertex Search For Edgecalibur, The Sword That King Arthur Has Hidden In A Geometric Solid.dianne Ochiltree - Children's Literaturesubtitled A Math Adventure, This Pi...

Jeremy Thatcher Dragon Hatcher

By Gary A Lippincott, Bruce Coville

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A Journey to the Center of the Earth

By Raymond James

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A team of explorers makes an expedition into a crater in Iceland which leads to the center of the earth and to incredible and horrifying discoveries.

Men of iron

By Earle Hitchner

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In seeking to avenge his unjustly accused father, young Myles Falworth is knighted and wins the friendship of King Henry IV.

Men of Iron

By Howard Pyle

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Sir Cumference And The Isle Of Immeter

By Cindy Neuschwander, Wayne Geehan

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Sir Cumference and the Isle of Immeter by Cindy Neuschwander 2009 Paperback Reprint

By Cindy Neuschwander

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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.