Lambert Mark Books

50 facts about dinosaurs

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Answers questions about dinosaurs, including "When did the dinosaurs live?", "Why did the dinosaurs die?", and "How are dinosaur fossils found?"

50 facts about space

By Lambert Mark

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Answers questions about space, from "How did the universe begin?" to "Could we travel to the stars?"

Plant life

By Lambert Mark

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Basic facts about plants around the world, their propagation, their environment, and their uses.

50 facts about robots

By Lambert Mark

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Discusses, in a question and answer format, the development of various types of robots and their many uses.

Living in the future

By Lambert Mark

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Discusses technological advances in home construction, transportation, communications, and energy development and forecasts developments for the future.

The future for the environment

By Lambert Mark

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Future sources of energy

By Lambert Mark, Mark Lambert

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Aircraft technology

By Lambert Mark

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Surveys the theory of aircraft design, the different types of airplanes built during the twentieth century, and how they were constructed and used.

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.