David Grinnell Books

The Jester At Scar / To Venue! To Venus!

By E.C.Tubb, David Grinnell, David Grinnell, Donald A. Wollheim

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Robert Silverberg said that Donald A. Wollheim (1914-1990) was one of the most significant figures in 20th century American science-fiction publishing. He was the editor for Avon Books between 1947...

Invader On My Back / Destination: Saturn

By Philip E. High, David Grinnell, Lin Carter

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Galaxy Trilogy, A Vol. 4: Across Time, Mission To A Star, And The Rim Of Space

By DAVID, Chandler, Tom, A. Bertram, David Grinnell, WEINER, A. Bertram Chandler, Tom Weiner, Frank Belknap Long, Grinnell

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Across Time

By David Grinnell, Grinnell, David

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Across Time

By David Grinnell, Wollheim, Donald A

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Title from PDF title page (viewed on Aug. 16, 2008).

Ashes

By David Grinnell, Kelly Unterborn

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Alice Reaper Departs From Her Hometown Boydton, Virginia After Her Father's Tragic Death. She Begins Anew In The Small Town Of Bedford, Ohio As Nightmares And The Memories Of The Past Haunt Her. Lo...

Ashes

By David Grinnell, Kelly Unterborn

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Ashes Is A Gothic Novel Depicting The Life And Struggles Of Alice Reaper. Alice Reaper Departs From Her Hometown Boydton, Virginia After Her Father's Tragic Death. She Begins Anew In The Small Town...

Ashes

By David Grinnell, Kelly Unterborn

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Magic Within Seasons

By David Grinnell, Magaret Alger

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Regenerate Your Mental Strength

By David Grinnell

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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.