Robert E. Hannemann Books

Caring for Your Baby and Young Child

By American Academy Of Pediatrics

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Caring for your baby and young child

By Robert E. Hannemann, Steven P. Shelov, Tanya Remer Altmann

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"Now in its 6th edition, the mega-bestselling Caring for Your Baby and Young Child: Birth to Age 5 (CFYBYC) is the most thorough and respected consumer book dedicated to early child care, reviewed...

Caring for Your Baby and Young Child Birth to Age 5

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El cuidado de su bebe y nino pequeno

By Robert E. Hannemann, Richard Trubo, Steven P. Shelov, Juan C. Kupferman, Tanya Remer Altmann

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The most up-to-date, expert advice for mothers, fathers, and care providers from the American Academy of Pediatrics, the most respected organization on child health; this is the essential resource...

Amerika de shonika ni kakaru toki

By Robert E. Hannemann

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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.