Robert C. O Brien Books

Z for Zachariah

By Robert C. O Brien

Average: 0.00, 0 Ratings

Mrs. Frisby and the Rats of Nimh

By Robert C. O Brien

Average: 0.00, 0 Ratings

Z for Zachariah

By Robert C. O Brien

Average: 0.00, 0 Ratings

Seemingly the only person left alive after a nuclear war, sixteen-year-old Ann Burden is relieved to see a man arrive into her valley until she realizes that he is a tyrant and she must somehow esc...

Crash course

By Robert C. O Brien, Leonard B. Lubin, Jane Leslie Conly

Average: 0.00, 0 Ratings

Mrs. Frisby and the Rats of Nimh

By Robert C. O Brien, Zena Bernstein

Average: 0.00, 0 Ratings

Mrs. Frisby Rats of Nimh

By Robert C. O Brien, Barbara Caruso

Average: 0.00, 0 Ratings

Z for Zachariah

By Robert C. O Brien

Average: 0.00, 0 Ratings

Z for Zachariah

By Robert C. O Brien

Average: 0.00, 0 Ratings

The post-apocalyptic tale of one girl's efforts to survive alone in a devastated town-and what happens when a mysterious stranger appears-from Newbery Award-winning author, Robert C. O'Brien, is no...

Mrs. Frisby and the Rats of Nimh

By Robert C. O Brien

Average: 0.00, 0 Ratings

Mrs. Frisby and the Rats of Nimh

By Robert C. O Brien

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.