Julian Laderman Books

Bumblepuppy days

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The origins of the game of bridge have been shrouded in mystery but no longer. Tracing the development of the game and the fascinating characters who played it from whist through to auction bridge...

A Bridge to Simple Squeezes

By Julian Laderman

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Bumblepuppy days

By Julian Laderman

Average: 0.00, 0 Ratings

The origins of the game of bridge have been shrouded in mystery but no longer. Tracing the development of the game and the fascinating characters who played it from whist through to auction bridge...

Bumblepuppy days

By Julian Laderman

Average: 0.00, 0 Ratings

The origins of the game of bridge have been shrouded in mystery but no longer. Tracing the development of the game and the fascinating characters who played it from whist through to auction bridge...

Bumblepuppy days

By Julian Laderman

Average: 0.00, 0 Ratings

The origins of the game of bridge have been shrouded in mystery but no longer. Tracing the development of the game and the fascinating characters who played it from whist through to auction bridge...

Useful Probability for Bridge Players

By Julian Laderman

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A Bridge To Inspired Declarer Play

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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.