John Mitchinson Books

Box of Beasties: 100 BeWILDering Trivia Flashcards

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If Ignorance Is Bliss, Why Aren't There More Happy People?

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John Lloyd and John Mitchinson have proven themselves to be masters at digging up obscure facts, abstruse information, and amusing anecdotes and presenting them effortlessly, somewhat slyly, with e...

The Book of the Dead: Lives of the Justly Famous and the Undeservedly Obscure

By John Lloyd, John Mitchinson

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The Second Book of General Ignorance

By John Lloyd

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From the brains behind the New York Times' bestseller, The Book of General Ignorance comes another wonderful collection of the most outrageous, fascinating, and mind-bending facts, taking on the hu...

1 339 quite interesting facts to make your jaw drop

By John Lloyd

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A collection of mind-boggling morsels of trivia-- informative, hilarious, sometimes arcane or utterly useless, but always entertaining.

1 411 quite interesting facts to knock you sideways

By John Lloyd

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QI

By John Lloyd, Stephen Fry

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QI

By John Lloyd Undifferentiated, John Mitchinson

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The QI Annual

By John Lloyd Undifferentiated

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The book of general ignorance

By John Lloyd

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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.