Karen C. Anderson Books

Puzzlers More Puzzlers

By Karen C. Anderson

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Puzzlr Treat

By Pamela Anderson Lee, Karen Anderson, Karen C. Anderson

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Games magazine junior kids' big book of games

By Karen C. Anderson

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Presents over 125 games, including picture puzzles, scrambled comics, riddle searches, logic defiers, memory contests, connect-the-dots, out-of-orders, mazes, crisscrosses, and rebuses.

The Bones Skeleton Game Book

By Stephen Cumbaa, Karen C. Anderson

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Disney s big book of puzzlers

By Karen C. Anderson

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Picture puzzles, word searches, number challenges and logic games based on Disney animated films and characters.

The bones & skeleton gamebook

By Karen C. Anderson

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A collection of activities, quizzes, games, puzzles, and experiments exploring the human body and how it works.

Disney's big bad book of puzzlers

By Karen C. Anderson

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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.