Marthe Jocelyn Books

The invisible day

By Marthe Jocelyn

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Ten-year-old Billie finds a bag of makeup in Central Park whose contents render her invisible.

How it happened in Peach Hill

By Marthe Jocelyn

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When fifteen-year-old Annie Grey and her "clairvoyant" mother arrive in Peach Hill, New York, in 1924, each finds a reason for wanting to finally settle down, but to reach their goals they will hav...

How It Happened in Peach Hill

By Marthe Jocelyn

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Would You

By Marthe Jocelyn

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When her beloved sister, Claire, steps in front of a car and winds up in a coma, it transforms what Nat thought would be a summer of working, hanging around with friends, and seeing Claire off to c...

What we hide

By Marthe Jocelyn

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Told from multiple viewpoints, this is the story of high school junior Jenny of Philadelphia, who spends a semester at a Quaker boarding school in Sheffield, England, near where her brother's avoid...

How it Happened in Peach Hill

By Marthe Jocelyn

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Would You

By Marthe Jocelyn

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What we hide

By Marthe Jocelyn

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What we hide

By Marthe Jocelyn

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The Invisible Day

By Marthe Jocelyn

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Ten-year-old Billie finds a bag of makeup in Central Park whose contents render her invisible.

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.