Sam Koppelman Books

Impeach: The Case Against Donald Trump

By Christopher Ryan Grant, Neal Katyal, Sam Koppelman

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Impeach: The Case Against Donald Trump

By Neal Katyal, Sam Koppelman, Katyal, Neal, Koppelman, Sam, Grant, Christopher Ryan

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Why President Trump has left us with no choice but to remove him from office, as explained by celebrated Supreme Court lawyer and former Acting Solicitor General Neal Katyal. No one is above the la...

Impeach: The Case Against Donald Trump

By Neal Katyal, Sam Koppelman, Katyal, Neal, Koppelman, Sam, Grant, Christopher Ryan

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Our Unfinished March: The Violent Past And Imperiled Future Of The Vote-A History, A Crisis, A Plan

By Eric Holder, Sam Koppelman, Eric H. Holder, Sam Koppelman, (Speechwriter)

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A brutal, bloody, and at times hopeful history of the vote; a primer on the opponents fighting to take it away; and a playbook for how we can save our democracy before it's too late--from the forme...

Our Unfinished March

By Eric Holder, Sam Koppelman, Eric H. Holder, Sam Koppelman, (Speechwriter), Eric Holder With Sam Koppelman

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A brutal, bloody, and at times hopeful history of the vote; a primer on the opponents fighting to take it away; and a playbook for how we can save our democracy before it’s too late—from the former...

Our Unfinished March

By Eric Holder, Sam Koppelman, Eric H. Holder, Eric Holder With Sam Koppelman

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Impeach

By Neal Katyal, Sam Koppelman

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The New York Times Bestseller What Is Impeachment? How Does It Work? And Why Is It So Urgent To Impeach Donald Trump? No One Is Above The Law. This Belief Is Fundamental To How The American System...

Impeach

By Neal Katyal, Sam Koppelman, Katyal, Neal, Koppelman, Sam, Grant, Christopher Ryan

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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.