Sam Enthoven Books

The black tattoo

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When his best friend, Charlie, is possessed by an ancient demon, fourteen-year-old Jack, accompanied by a girl with superhuman powers, battles all over London and into Hell to save him.

The black tattoo

By Sam Enthoven

Average: 0.00, 0 Ratings

When his best friend, Charlie, is possessed by an ancient demon, fourteen-year-old Jack, accompanied by a girl with superhuman powers, battles all over London and into Hell to save him.

Ben is on a school trip. So is Jasmine. What they don't know is that not everybody in the theatre is there to watch the play and, in fact, they'll never get to see it ... There is panic at the Barb...

The Black Tattoo

By Sam Enthoven

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The Black Tattoo

By Sam Enthoven

Average: 0.00, 0 Ratings

The Black Tattoo

By Sam Enthoven

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The Black Tattoo

By Sam Enthoven

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My Name Is O

By Sam Enthoven

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Black Tattoo

By Sam Enthoven

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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.