Marco Vassi Books

Saline Solution

By Marco, Vassi, Marco Vassi, Vassi, Marco

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Marco Vassi was possibly the greatest erotic writer of his generation. His first publisher at Olympia Press, Maurice Girodias, compares his talent for prose to Henry Miller's writing. His sexual ex...

Mind Blower

By Marco, Vassi, Marco Vassi

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Erotica From Penthouse

By Marco Vassi, Edward Springer, Penthouse

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WHAT DO WOMEN WANT? To the age-old question, Penthouse has the answer: Great sexlots of itin every variation! Here, in these pages, you'll meet women of all ages and from all walks of life, with o...

Penthouse Letters

By Marco Vassi, Edward Springer

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PUSHING INK

By Joseph O Sullivan, Spider Webb

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Pushing Ink

By Spider Webb, Marco Vassi

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The stoned apocalypse.

By Marco Vassi

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The Stoned Apocalypse, Cover

By Marco Vassi

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Marco Vassi.

CONTOURS OF DARKNESS

By Marco Vassi

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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.