David A. Adler Books

Wonders Classroom Trade Book Library Package Grade 3

By McGraw Hill, Donald Bear

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Weekly Reader Books presents Jeffrey's ghost and the fifth-grade dragon

By David A. Adler

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Bradford the ghost goes to school with Jeffrey and Laura when they begin fifth grade, and being both mischievous and invisible he creates a lot of problems.

Jeffrey's Ghost and the Leftover Baseball Team

By David A. Adler

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A baseball team of children no one else wants on a team turns into a team of winners with the help of a friendly boy ghost.

The fourth floor twins and the fish snitch mystery

By David A. Adler

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Two sets of twins suspect their neighbors of wrong-doing when they observe the strange behavior of the couple's nephew.

The fourth floor twins and the fortune cookie chase

By David A. Adler

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Two sets of twins receive a message in a fortune cookie that warns them to beware of a man in a blue hat.

Our Golda: The Story of Golda Meir

By David A. Adler

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A biography of the Israeli prime minister and world leader, emphasizing her early childhood and youth in Russia and America.

The fourth floor twins and the disappearing parrot trick

By David A. Adler

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Two sets of twins launch a wild chase when the "disappearing parrot" in their school talent show magic act really does disappear.

Cam Jansen and the mystery at the haunted house

By David A. Adler

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The Cam Jansen fun book

By David A. Adler

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Amateur detective Cam Jansen and her friend Eric present puzzles, brain teasers, mazes, and other mind-challenging activities.

Cam jansen and the Mystery of the Stolen Diamonds Cam Jansen

By David A. Adler

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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.