Marthe Jocelyn Books

Folly

Average: 0.00, 0 Ratings

In a parallel narrative set in late nineteenth-century England, teenaged country girl Mary Finn relates the unhappy conclusion to her experiences as a young servant in an aristocratic London househ...

Would You

By Marthe Jocelyn

Average: 0.00, 0 Ratings

Folly

By Marthe Jocelyn

Average: 0.00, 0 Ratings

Earthly Astonishments

By Marthe Jocelyn

Average: 0.00, 0 Ratings

Houghton Mifflin Mathmatics

By Houghton Mifflin Company Staff

Average: 0.00, 0 Ratings

Hannah s Seven Dresses

By Marthe Jocelyn

Average: 0.00, 0 Ratings

Aggie Morton, Mystery Queen: The Body under the Piano

By Marthe Jocelyn Illustrations By Isabelle Follath

Average: 0.00, 0 Ratings

A smart and charming middle-grade mystery series starring young detective Aggie Morton and her friend Hector, inspired by the imagined life of Agatha Christie as a child and her most popular creati...

Aggie Morton, Mystery Queen: The Body under the Piano

By Marthe Jocelyn Illustrations By Isabelle Follath

Average: 0.00, 0 Ratings

Aggie Morton, Mystery Queen: The Body under the Piano

By Marthe Jocelyn Illustrations By Isabelle Follath

Average: 0.00, 0 Ratings

Aggie Morton, Mystery Queen: Peril at Owl Park

By Marthe Jocelyn Illustrations By Isabelle Follath

Average: 0.00, 0 Ratings

For young detective Aggie Morton and her friend Hector, Christmas becomes a lot more exciting when a dead body is found in this second book in the Aggie Morton, Mystery Queen series, inspired by th...

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.