Glenn Herdling Books

Meditations On Middle Earth

By Diane Duane, Esther M. Friesner, Ursula K. Le Guin, Robin Hobb, George R.R.Martin, Harry Turtledove, Orson Scott Card, Charles De Lint, Douglas A Anderson, LISA GOLDSTEIN, John Howe, Michael Swanwick, Raymond E. Feist, Poul Anderson, Glenn Herdling, Karen Haber, Terry Pratchett, Terri Windling

Average: 0.00, 0 Ratings

NOMINATED FOR THE 2002 HUGO AND LOCUS AWARDWhen J.R.R. Tolkien created the extraordinary world of Middle-earth and populated it with fantastic, archetypal denizens, reinventing the heroic quest, th...

Mtv'S Beavis And Butt-Head: Wanted

By Nancy Poleti, Tom Daning, Rick Parker, Guy Maxtone-Graham, Chris Marcil, Sam Johnson, Glenn Herdling, Rob Camacho

Average: 0.00, 0 Ratings

Essential Official Handbook Of The Marvel Universe - Update 89, Vol. 1

By Peter Sanderson, Peter Wohl, Len Kaminski, Marcus McLaurin, Marcus Mclaurin, Various, Josef Rubinstein, Glenn Herdling, Marvel Characters Inc, Ron Frenz, Mark D. Beazley

Average: 0.00, 0 Ratings

Origins and updates of the eighties' elite in one easy installment! Trace major revisions to major characters like Archangel and Vision, the Red Skull and S.H.I.E.L.D., the Hulk and Hobgoblin, and...

Essential Official Handbook Of The Marvel Universe - Master Edition Volume 1

By Peter Sanderson, Mark Gruenwald, Len Kaminski, Murray Ward, Keith Pollard, Glenn Herdling, Jamie Tost

Average: 0.00, 0 Ratings

Heroes, villains, gods, demons, sorcerers, scientists, monsters, mobsters, and a talking duck: More than one thousand dynamic dossiers, collected in alphabetical order for the first time across thr...

Essential Official Handbook Of The Marvel Universe - Master Edition Volume 2

By Peter Sanderson, Mark Gruenwald, Len Kaminski, Murray Ward, Keith Pollard, Glenn Herdling, Jamie Tost

Average: 0.00, 0 Ratings

Essential Official Handbook Of The Marvel Universe - Master Edition Volume 3

By Peter Sanderson, Mark Gruenwald, Len Kaminski, Murray Ward, Keith Pollard, Glenn Herdling, Jamie Tost

Average: 0.00, 0 Ratings

X-Men In Sfx

By N/A, Glenn Herdling

Average: 0.00, 0 Ratings

Large format with buttons to play audio

The Life Of Christ: The Christmas Story

By Glenn Herdling, Louise Simonson

Average: 0.00, 0 Ratings

Illuminator #3 : The Channel Master/The Fun And Fury

By Marvel Comics, Glenn Herdling

Average: 0.00, 0 Ratings

Marvel Comics: Illuminator 4 : Enter Metatron

By Glenn Herdling

Average: 0.00, 0 Ratings

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.