Ryan Tubridy Books

Patrick and the President

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Witnessed through the eyes of a young boy, a captivating story beautifully evokes John F. Kennedy’s return to his ancestral home.When the beloved president visited Ireland in 1963, he describ...

The First Christmas Sweater

By Stephen Hogan, Ryan Tubridy

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JFK in Ireland: Four Days that Changed a President

By Ryan Tubridy

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"In his first book, radio and TV presenter Ryan Tubridy tells the fascinating story of the iconic president John F Kennedy's visit to Ireland. The idolized, handsome and glamorous John Fitzgerald K...

JFK in Ireland

By Ryan Tubridy

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Complete with never-before-seen photographs and heartwarming stories, Tubridy reveals the huge effect JFK's visit had on Ireland, and the affection Kennedy felt for his fellow Irishmen and his Iris...

JFK in Ireland

By Ryan Tubridy

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Patrick and the president

By Ryan Tubridy

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Patrick and the President

By Ryan Tubridy, P. J. Lynch

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First Christmas Jumper and the Sheep Who Changed Everything

By Ryan Tubridy, Chris Judge

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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.