Carolyn Mackler Books

Vegan Virgin Valentine

By Carolyn Mackler Illustrated By Carolyn Mackler

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From the author of the award-winning The Earth, My Butt, and Other Big Round Things comes the racy story of an overachiever who learns to get over it — and get a life.Mara Valentine...

Guyaholic

By Carolyn Mackler

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Sometimes it takes getting hit with a hockey puck to help you see what’s good for you! Carolyn Mackler is back — and V is off on a solo road trip — in this funny, poignant follow-...

Vegan virgin Valentine

By Carolyn Mackler

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Mara has her senior year planned out and her sights set on Yale when her niece, who is only one year younger and opposite in temperament, moves in and disrupts Mara's life.

Guyaholic

By Carolyn Mackler

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"Mackler’s unsentimental feel for how kids think and talk, and how they go about entering the grown-up world, makes V’s journey engrossing." — The New York Times Books Review...

It's 1996, and Josh and Emma have been neighbors their whole lives. They've been best friends almost as long--at least, up until last November, when everything changed. Things have been awkward eve...

Not If I Can Help It

By Carolyn Mackler

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Earth My Butt and Other Big Round Things

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The Universe Is Expanding and So Am I

By Carolyn Mackler

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Vegan virgin Valentine

By Carolyn Mackler

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Mara has her senior year planned out and her sights set on Yale when her niece, who is only one year younger and opposite in temperament, moves in and disrupts Mara's life.

The Earth My Butt and Other Big Round Things

By Carolyn Mackler

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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.