Chris Roberson. Illustrated By Paul Grist. Books

The Visitor: How and Why He Stayed

By Written By Mike Mignola, Chris Roberson. Illustrated By Paul Grist.

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In 1944 Hellboy was conjured in a ceremony meant to give Hitler the ultimate occult weapon. Fortunately, Professor Trevor Bruttenholm was there to witness, and to guide Hellboy to become the world'...

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.

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