Parker, Timothy E. Books

The Official Book of Hanjie

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Hanjie (pronounced Han-JEA to rhyme with ninja) is the massively popular Japanese puzzle craze. Number clues and simple logic lead you to fill in some boxes while leaving others blank. If you fill...

Ultimate Bible Trivia

By Parker, Timothy E. Parker, Timothy Parker, Parker, Timothy E.

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1 online resource What king made a famous ruling that involved cutting a baby in two' What prophet made deadly stew edible again' Who plotted the execution of John the Baptist' Who was with Jesus a...

Ultimate Bible Trivia: Questions, Puzzles, And Quizzes From Genesis To Revelation

By Timothy E. Parker, Parker, Timothy E.

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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.