Sean Danker Books

Admiral

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FIRST IN A NEW MILITARY SCIENCE FICTION SERIES“I was on a dead ship on an unknown planet with three trainees freshly graduated into the Imperial Service. I tried to look on the bright side.” He...

In the follow-up to Admiral, the intergalactic war has ended and hostilities between the Evagardian Empire and the Commonwealth are officially over, but the admiral is far from safe. . . .I’d imper...

The Glory of the Empress

By Sean Danker

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From the author of Admiral and Free Space comes an exciting military science fiction novel about an eclectic mix of Evagardian soldiers on a mission to test a new weapon, but instead find something...

Innocence

By Sean Danker

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Highest Hopes

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Almayer Station

By Sean Danker

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Snowblind

By Sean Danker

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Ralph Compton Thirteen Bullets

By Sean Danker

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In this raucous new book in Ralph Compton’s Gunfighter series, the only thing Dan Karr can’t shoot down is his suspicion about the man who’s paying him.   George Kingsley has...

Admiral

By Sean Danker

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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.