E E Doc Smith Books

From The SF Gateway, the most comprehensive digital library of classic SFF titles ever assembled, comes an ideal sample introduction to the fantastic work of E. E. 'Doc' Smith, one of the most infl...

Skylark Three: Skylark Book 2

By E E Doc Smith, Edward E. Smith

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In this exhilarating sequel to The Skylark of Space, momentous danger again stalks genius inventor and interplanetary adventurer Dr. Richard Seaton. Seaton's allies on the planet Kondal are sufferi...

Skylark Of Valeron: Skylark Book 3

By E E Doc Smith, Edward E. Smith

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As the mighty spaceship Skylark roamed the intergalactic spaceways, scientist Richard Seaton and his companions found a world of disembodied intelligences. A world of four dimensions where time was...

Subspace Encounter

By E.E. Smith, E E Doc Smith, Edward E. Smith

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Bursting right through the four-dimensional travel zone of subspace, Tellurian psiontists make an amazing discovery on the other side. Beyond the bounds of subspace, a parallel universe is cruelly...

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.