Adam Langer Books

Ellington Boulevard

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After the death of his landlord, with whom he had a handshake agreement rather than a lease, clarinetist Ike Morphy is about to be evicted by the landlord's son, who sees only the money he can make...

Ellington Boulevard

By Adam Langer

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My Father s Bonus March

By Adam Langer

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The Salinger contract

By Adam Langer

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"Adam is a writer and stay-at-home dad in Bloomington, Indiana, drawn into an uneasy friendship with the charismatic and bestselling thriller author Connor Joyce. Conner is having trouble writing h...

The madness of art

By Adam Langer

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The film festival guide

By Adam Langer

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The Film Festival Guide

By Adam Langer

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Crossing California

By Adam Langer

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"Jill Wasserstrom, a studious and idealistic eighth-grader at Chicago's Boone Elementary School, is preparing to defend the Ayatollah Khomeini in a school debate, and then sabotage her Bat Mitzvah....

The Washington story

By Adam Langer

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The Washington Story

By Adam Langer

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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.