Donald De Line Books

Green Lantern

By Donald De Line, Green Michael, Lauren Montgomery, Greg Berlanti, Christopher Berkely

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An anthology of six tales that show Hal Jordan and the Green Lanterns policing the galaxy a la 'Gotham Knights.

I love you man

By Donald De Line, John Hamburg, Larry Levin

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After Peter gets engaged to the woman of his dreams, he realizes he has not one friend to serve as his best man. To rectify the situation, he goes on a series of man-dates before he meets Sydney Fi...

Green lantern

By Christopher Berkeley, Donald De Line, Green Michael, Lauren Montgomery, Greg Berlanti, Jay Oliva

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Explores the Green Lantern universe via six interlocking chapters. While awaiting a battle with Krona, members of the Green Lantern Corps recount their greatest adventures to a new recruit.

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.