Adam Troy Castro Books

Analog Science Fiction and Fact, June 2001 (Volume CXXI, No. 6)

By Pauline Ashwell, Ben Bova, Michael A. Burstein, Laurence M. Janifer, Adam Troy Castro

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Spider Man

By Adam Troy Castro

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Spider Man

By Adam Troy Castro

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Gustav Gloom and the Cryptic Carousel

By Adam Troy Castro

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Fernie and Gustav leave the safety of the Gloom Mansion and begin their long journey to the Shadow Country to save their families from the evil Lord Obsidian. Aided by the magical Cryptic Carousel,...

Gustav Gloom and the Inn of Shadows

By Adam Troy Castro

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"Gustav and Fernie's adventures in the Dark Country continue as they search for their families. But as they get closer to discovering their families' fates, their mission is once again threatened b...

Gustav Gloom and the Castle of Fear 6

By Adam Troy Castro

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Gustav Gloom and the People Taker 1

By Adam Troy Castro

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Gustav Gloom and the Nightmare Vault 2

By Adam Troy Castro

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Gustav Gloom and the Cryptic Carousel 4

By Adam Troy Castro

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Spider-Man

By Adam Troy Castro

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Spider-Man learns that he has a sister he has never known about, but his family loyalties are tested when he discovers his long-lost sibling in an evil villainess known as Pity.

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.