Franklin W. Dixon Books

Hardy Boys 02: the House on the Cliff

Average: 0.00, 0 Ratings

Frank and Joe Hardy are investigating a mysterious old house high on the cliffs above Barmet Bay when they are frightened off by a scream. The boys return to the apparently haunted house when they...

Hardy Boys 03: the Secret of the Old Mill

By Franklin W. Dixon

Average: 0.00, 0 Ratings

The third book in the classic Hardy Boys mystery series! Join these amateur sleuths on an action-packed adventure as they work to solve the case before it's too late. With two cases in tow, the Har...

Hardy Boys 04: the Missing Chums

By Franklin W. Dixon

Average: 0.00, 0 Ratings

Not only is the local bank robbed, but two of the Hardy boys' pals mysteriously disappear after a masquerade party. Are the events related? How the Hardy boys use all their courage and skill to out...

Hardy Boys 05: Hunting for Hidden Gold

By Franklin W. Dixon

Average: 0.00, 0 Ratings

Timber wolves, a Rocky Mountain blizzard, and a mine cave-in are only a few of the perils Frank and Joe Hardy encounter during their search for the principal members of a notorious gang responsible...

Hardy Boys 06: the Shore Road Mystery

By Franklin W. Dixon

Average: 0.00, 0 Ratings

When the Hardy Boys eagerly agree to assist their friend Jack Dodd and his father in locating a family treasure, the two young detectives are unaware of the baffling complications that will arise....

Hardy Boys 07: the Secret of the Caves

By Franklin W. Dixon

Average: 0.00, 0 Ratings

Triggered by the disappearance of a brilliant young professor, this mystery takes the Hardy boys first to Kenworthy College, where they find a puzzling message on an examination paper. But then, a...

Hardy Boys 09: the Great Airport Mystery

By Franklin W. Dixon

Average: 0.00, 0 Ratings

Valuable electronic parts containing platinum are being stolen from shipments made by Stanwide Mining Equipment’s cargo planes, and Frank and Joe are called upon to assist their world-renowned dete...

Hardy Boys 10: What Happened at Midnight

By Franklin W. Dixon

Average: 0.00, 0 Ratings

Frank and Joe race against time to retrieve a scientist’s top-secret invention before thieves get their hands on it. But the young detectives soon discover that they are involved in a mystery far g...

Hardy Boys 11: While the Clock Ticked

By Franklin W. Dixon

Average: 0.00, 0 Ratings

A banker who has been receiving threatening notes enlists the help of the Hardy boys. Before long, the young sleuths find themselves entangled in the investigation of a notorious band of thieves.

Hardy Boys 12: Footprints Under the Window

By Franklin W. Dixon

Average: 0.00, 0 Ratings

A plot to steal a top-secret instrument vital to the United States space program poses a challenging case for Frank and Joe Hardy. After rescuing a South American stowaway who mutters a warning abo...

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.