John Derian Books

John Derian Planet Earth 1,000-Piece Jigsaw Puzzle (Artisan Puzzle)

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John Derian is an artist and designer whose work with printed images from the past transports the viewer to another world. Now Derian expands his beautiful line of puzzles, wrapping paper, noteboo...

John Derian Paper Goods: Calm Cat 750-Piece Puzzle

By John Derian

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“I love anything by artist John Derian, whose decoupage pieces can be kinda pricey. Get in on the action with these adorable John Derian Jigsaw Puzzles. Bonus: With some puzzle glue and a frame, it...

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.