Richard Nelson Bolles Books

How to Find Your Mission in Life

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Now in Paperback!In this intimate treasury of wit and wisdom, Richard Bolles, author of the job-hunting bible: WHAT COLOR IS YOUR PARACHUTE?, explores the spiritual aspects of finding ones pl...

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.

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