Adam Gamble Mark Jasper Books

Bath Time Beach

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What could be more fun than learning about the beach while soaking in the sudsy tub? Bath Time Beach features sandcastles, fishing, swimming, surfing, seashore creatures, campfires, and more.This b...

Bath Time New York City

By Adam Gamble Mark Jasper

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Bath time has never been so much fun! From the Statue of Liberty to Times Square, little bathers will recognize all of their favorite New York City attractions while splashing around and sudsing up...

Good Night Garden of the Gods

By Adam Gamble Mark Jasper

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Young explorers will be treated to a personal tour of one of the most fascinating parks in the country, learning about the region’s most treasured landmarks and attractions including Balanced...

Good Night Hike

By Adam Gamble Mark Jasper

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Grab your hiking poles and backpacks, it’s time to hit the trails. This adorable board book introduces little ones to the wonderful world of hiking including hiking equipment, hiking shoes,...

Good Night Alaskan Animals

By Adam Gamble Mark Jasper

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This adorable and educational board book teaches little ones about the diverse wildlife of Alaska. From the mighty polar bear to the majestic bald eagle, Good Night Alaskan Animals covers it all, i...

Good Night Lighthouse

By Adam Gamble Mark Jasper

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This adorable and educational board book will have little mariners squealing with delight as they tour all kinds of unique lighthouses from coast to coast, including ocean lighthouses, lake lightho...

Good Night Loons

By Adam Gamble Mark Jasper

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This charming board book introduces young bird-watchers to the fascinating loon. Little ones will learn all about loon life, including the common loon, yellow-billed loon, red-throated loon, arctic...

Good Night Adirondacks

By Adam Gamble Mark Jasper

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Grab your backpacks and hiking boots, it’s time to explore the fabulous Adirondacks! Young outdoor enthusiasts will enjoy a personal tour of the region's iconic landmarks and attractions, in...

Good Night Finger Lakes

By Adam Gamble Mark Jasper

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This charming board book tours young readers around the scenic Finger Lakes, celebrating the region’s iconic landmarks and exciting attractions including Watkins Glen State Park, Seneca Lake...

Good Night Baltimore

By Adam Gamble Mark Jasper

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From Oriole Park to the famous Inner Harbor, this charming board book tours young readers around the exciting city of Baltimore, including Fort McHenry National Monument, National Aquarium, Marylan...

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.