Harrison Bardwell Books

Roberta'S Flying Courage
Mystery Ship (Airplane Girl)
Roberta'S Flying Courage
Roberta'S Flying Courage

By Harrison Bardwell

Average: 0.00, 0 Ratings

"The first story of Roberta Langwell, Girl Sky Pilot, who becomes involved in many adventures in her transcontinental airplane flight."

Read More
Airplane Girls: The Lurtiss Field Mystery
Airplane Girls And The Mystery Of Seal Island
Airplane Girls And The Mystery Ship
Airplane Girls And The Mystery Ship

By Harrison Bardwell, Bardwell, Harrison

Average: 0.00, 0 Ratings

Stranded in the Arctic, Roberta, the Airplane Girl, investigates the mystery of an old shipwreck and finally breaks up the seal hunting gang

Read More
Lurtiss Field Mystery (Airplane Girl)
Mystery Of Seal Islands (Airplane Girl)
The Mystery Of Seal Islands Airplane Girls

Related Articles from our Blog

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.

Read More