Patrick Merrick Books

Droughts

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Uses a question-and-answer format to provide information about the causes of droughts, where they occur, their characteristics, and the effects they produce.

Snow leopards

By Patrick Merrick

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Describes the physical characteristics, behavior, habitat, and life cycle of snow leopards.

Earthworms

By Patrick Merrick

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Describes the physical characteristics, behavior, habitat, and life cycle of the earthworm.

Toads

By Patrick Merrick

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Describes the physical characteristics, behavior, habitat, and life cycle of toads and explains how they differ from frogs.

Raccoons

By Patrick Merrick

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Describes the physical characteristics, behavior, habitat, and life cycle of raccoons.

Eagles

By Patrick Merrick

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Describes the physical characteristics, behavior, habitat, and life cycle of eagles and examines the different kinds, including the golden eagle, American bald eagle, Ayre's hawk-eagle, and harpy e...

Cardinals

By Patrick Merrick

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Describes the physical characteristics, behavior, habitat, and life cycle of cardinals.

Biting flies

By Patrick Merrick

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Describes the physical characteristics, behavior, and life cycle of different kinds of flies that bite.

Leeches

By Patrick Merrick

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Describes the physical characteristics, behavior, and habitat of leeches--slimy, worm-like creatures.

Vampire bats

By Patrick Merrick

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Describes the physical characteristics, behavior, habitat, and life cycle of vampire bats.

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.