Patrick Carman Books

Saving Mister Nibbles

By Patrick Carman

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Elliot the squirrel and his friends try to rescue a toy squirrel from a little boy's house.

Haunted hike

By Patrick Carman

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On Halloween night, while Ranger Canyon leads three small Squirrel Scouts on a haunted hike, Daisy sees a ghost and Elliot and his friends help investigate.

The Walnut Cup

By Patrick Carman

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The Walnut Cup, the only American stop on the World Squirrel Soccer League tour, is taking place in Elliot's park. When the game ball, a perfectly round walnut, cannot be found, it is up to Elliot...

The Haunted Hike

By Patrick Carman

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Elliot s Park 1 Saving Mr Nibbles

By Patrick Carman

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Into The Mist The Land of Elyon

By Patrick Carman

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The Black Circle The 39 Clues 5

By Patrick Carman

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Skeleton Creek

By Patrick Carman

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Although housebound following an eerie accident, teenaged Ryan continues to investigate the strange occurences in his hometown of Skeleton Creek, recording his findings in a journal and viewing ema...

Patrick Carman s ghost in the machine

By Patrick Carman

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Although forbidden to see each other, Ryan and Sarah continue their investigation of the mysterious happenings at the dredge by communicating through video clips, text messages, midnight meetings,...

Atherton 2

By Patrick Carman

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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.