Green Robert Books

Queen Elizabeth II

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Examines the life of the present British queen, discussing her royal upbringing, the job she inherited, her commitment to the monarchy, and her highly publicized family.

King Henry VIII

By Green Robert

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A biography of the English monarch who challenged the Pope's authority, established a state religion, married six wives, and presided over the beginnings of the Renaissance in England.

King George III

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A biography of the eighteenth-century British monarch during whose reign the American colonies fought to break away and form an independent nation.

William the Conqueror

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Profiles the Duke of Normandy whose victory at Hastings in 1066 established him as the English king responsible for unifying the system of government and law.

Woodrow Wilson

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Biography of the twenty-eighth president of United States, discussing his personal life, education, and political career.

R.C. Hutchinson, the man and his books

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Fast track to zero nuclear weapons

By Green Robert

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A Short Abstract of English Grammar Calculated for the Introduction of Young People of Both Sexes Into That Very Necessary But Much ... Part of Education. by the Rev. Mr. R. Green.

By Green Robert

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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.