Highlights Books

Splish Splash Super Challenge Puzzles

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Designed for expert puzzlers, this collection is packed with our trickiest, most mind-boggling Hidden Pictures puzzles—without picture clues! Each book contains more than 100 intricate puzzle...

In the Wild

By Highlights

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Designed for expert puzzlers, this collection is packed with our trickiest, most mind-boggling Hidden Pictures puzzles—without picture clues! Each book contains more than 100 intricate puzzle...

Outdoor Puzzles

By Highlights

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Over 4,000,000 Highlights Hidden Pictures books sold! Can you find the dolphin at the ski shop and the sailboat at the swim meet? Outdoor Puzzles contains more than 100 Hidden Pictures scenes...

Halloween Puzzles

By Highlights

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Find your way through Halloween-themed mazes, delight in the magic of wordplay, and enjoy the masquerade of characters in Highlights’ ever-popular Hidden Pictures puzzles.   This 144-pag...

Winter Puzzles

By Highlights

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Keep puzzlers busy all winter long with this winter activity book for kids! This winter-themed collection is packed with over 100 types of puzzles and activities, including the ever-popular Hidden...

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.