Robert Papp Books

God, Can You Hear Me?

By Rev Run, Robert Papp, Justine Simmons

Average: 0.00, 0 Ratings

P Is for Princess

By Steven Layne, Deborah Layne, Robert Papp, Lisa Papp

Average: 0.00, 0 Ratings

King Kong Color and Activity Book

By Sadie Chesterfield, Peter Bollinger, Robert Papp, Catherine Hapka

Average: 0.00, 0 Ratings

The Pumpkin Head Mystery

By Robert Papp, Gertrude Chandler Warner

Average: 0.00, 0 Ratings

The Alden children were searching for a home – and found a life of adventure! Beloved by generations of families, this illustrated chapter book series is full of wholesome excitement, danger,...

The Great Turkey Heist

By Robert Papp, Gertrude Chandler Warner

Average: 0.00, 0 Ratings

The Alden children were searching for a home – and found a life of adventure! Beloved by generations of families, this illustrated chapter book series is full of wholesome excitement, danger,...

Giant Yo Yo Mystery

By Robert Papp, Gertrude Chandler Warner

Average: 0.00, 0 Ratings

Vanishing Passenger

By Robert Papp, Gertrude Chandler Warner

Average: 0.00, 0 Ratings

Sword of the Silver Knight

By Robert Papp, Gertrude Chandler Warner

Average: 0.00, 0 Ratings

Game Store Mystery

By Robert Papp, Gertrude Chandler Warner

Average: 0.00, 0 Ratings

Ghost of the Chattering Bones

By Robert Papp, Gertrude Chandler Warner

Average: 0.00, 0 Ratings

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.