Gerald Witcomb Books

Boats And Ships

By Gerald Witcomb, R. O. Kwon, Kwon R O, R. O Kwon (Author)

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Now a National Bestseller“Religion, politics, and love collide in this slim but powerful novel reminiscent of Donna Tartt’s The Secret History, with menace and mystery lurking in every corner.” —Pe...

Paper

By Gerald Witcomb, Balberry Press

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Aeroplane

By David Carey, Gerald Witcomb, B. H. Robinson

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How it The Aeroplane (A Ladybird Book)

Metalwork

By Gerald Witcomb, Brian Larkman

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Man In The Air

By Gerald Witcomb, James Webster

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The story of man's progress in flying, beginning with Icarus and ending with the shape of aircraft to come. The book is in the Ladybird Leader series, specially produced to meet the very real need...

Man On The Sea

By Gerald Witcomb, James Webster, Frank Humphris, Webster, James, 1925-1981, Author, Witcomb, Gerald, Illustrator, Humphris, Frank, Illustrator

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HARDCOVER

Air

By Alan P. Sanday, Gerald Witcomb, Harry Wingfield, Allan P. Sanday, Sanday, Allan P., Witcomb, Gerald, Wingfield, Harry

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51 pages : 18 cm

Bridges

By Gerald Witcomb, Robert Loxley, Gavin Rowe, Loxley, Robert, Witcomb, Gerald, Rowe, Gavin

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Bridges (Ladybird Leaders)

Leaves

By John LEIGH-PEMBERTON, Leigh-Pemberton, John, Gerald Witcomb

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Box BR 425

Sounds And Pictures

By Gerald Witcomb, Mervyn Benford

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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.