Ilse Wagner Books

So Little Time 12: Best Friends Forever

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Chloe and Riley are in a battle against their best friends to win the top grade on their business class project. Will their friendship withstand the rivalry?

Two of a Kind 25: Closer Than Ever

By Ilse Wagner, Judy Katschke

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Two of a Kind 28: The Dream Date Debate

By Ilse Wagner, Megan Stine

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Misty (Mary-Kate) and Amber (Ashley) are sent to Rome to find out why the Hipslovan gymanstics team is able to perform super-human flips, jumps, and vaults.

Love-Set-Match

By Cathy East Dubowski, Ilse Wagner

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Mary-Kate and Ashley are off to Camp Evergreen - their dad's former camp when he was a kid - for a whole month in the summer. Ashley is dreading the month but sports-minded Mary-Kate is looking for...

Making a Splash

By Ilse Wagner, Megan Stine

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Mary-Kate and Ashley are spending a month at Camp Evergreen - making new friends and having new adventures.

Santa Girls

By Ilse Wagner

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Mary-Kate and Ashley are busy with Christmas projects, shopping, and trying to get back Aunt Morgan's vest.

Heart to Heart

By Ilse Wagner, Judy Katschke

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Mary-Kate and Ashley are busy delivering singing telegrams for Valentine's Day and making a friend supercool so their girlfriend will go out with him.

New Adventures of Mary-Kate & Ashley 33: The Case of the Hollywood Who-Done-It

By Melinda Metz, Ilse Wagner

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When someone steals the spotlight at a Tinseltown awards show by taking two golden statuettes, Mary-Kate and Ashley discover not all that glitters is gold and decide to trade the limelight for thei...

New Adventures of Mary-Kate & Ashley 34: The Case of the Sundae Surprise:

By Melinda Metz, Ilse Wagner

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Mary-Kate and Ashley invent a new ice cream flavor for a contest at the ice cream store but somebody steals their top secret recipe.

The Case of the Tattooed Cat

By Ilse Wagner, Heather Alexander

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Mary-Kate and Ashley hear that if you pet Lucy, the tattooed cat, on Halloween and make a wish, your wish will come true. But Lucy disappears and the girls must find out if something bad has happen...

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.