Roy Rockwood Books

Bomba, the jungle boy

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Separated from his parents since childhood, a young boy, who has been brought up in the jungle by an old naturalist, begins the long search for his true identity.

Bomba the jungle boy

By Roy Rockwood

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Searching for his long-lost parents, fourteen-year-old Bomba embarks on a perilous journey to a distant volcano.

Under the Ocean to the South Pole

By Roy Rockwood

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Five Thousand Miles Underground

By Roy Rockwood

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Dave Dashaway and His Hydroplane

By Roy Rockwood

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Dave Dashaway and His Hydroplane

By Roy Rockwood

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Dave Dashaway and His Hydroplane

By Roy Rockwood

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Lost on the Moon or In Quest of the Field of Diamonds Dodo Press

By Roy Rockwood

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Under the Ocean to the South Pole or The Strange Cruise of the Submarine Wonder Dodo Press

By Roy Rockwood

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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.