Sid Jacobson Books

Anne Frank

By Sidney Jacobson

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Anne Frank

By Sidney Jacobson

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Three Fifths a Man

By Ernie Colon, Sid Jacobson

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Three Fifths a Man

By Ernie On, Sid Jacobson

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Vlad the Impaler

By Sid Jacobson Illustrated By Ernie Colon

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Read Sid Jaconson's posts on the Penguin BlogTwo legends of the comic book industry bring to life the story of gore and lust that inspired Dracula. Vlad the man had a devilish streak-a vicious tem...

STAR COMICS: TOP DOG - THE COMPLETE COLLECTION VOL. 1

By David Manak

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Collects Top Dog (1985) #1-14. He's the world's smartest, funniest - and talking-est - dog! That's right, Top Dog can talk - but don't tell anyone! One of the biggest names in Marvel's 1980s Star...

Torture Report

By Scott Horton, Jane Mayer, Sid Jacobson

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Torture Report

By Ernie On, Scott Horton, Jane Mayer, Sid Jacobson

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Torture Report

By Ernie On, Scott Horton, Jane Mayer, Sid Jacobson

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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.