Robert C.O'Brien Books

Racso and the Rats of Nimh

Average: 0.00, 0 Ratings

Timothy Frisby, a field mouse, teams up with the adventurous young rat Racso as together they try to prevent the destruction of a secret community of rats that can read and write.

Racso and the Rats of NIMH

By Jane Leslie Conly

Average: 0.00, 0 Ratings

Mrs. Frisby and the Rats of NIMH

By Robert C. O Brien

Average: 0.00, 0 Ratings

This edition of Mrs. Frisby and the Rats of NIMH "was published by special arrangement with Atheneum Publishers, an imprint of Macmillan Publishing company."

The Silver Crown

By Robert C. O Brien

Average: 0.00, 0 Ratings

The winter hero

By James Lincoln Collier

Average: 0.00, 0 Ratings

Anxious to be a hero, a young boy relates how he becomes involved in Shays' Rebellion begun by farmers in western Massachusetts against unfair taxation levied on them by the Boston government.

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.