Alice Lightner Hopf Books

Misplaced animals, and other living creatures

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Explores the ways in which man and nature have used water, wind, weather, and wings to spread plants and animals around the world with good and bad results.

Strange Sex Lives in the Animal Kingdom

By Alice Lightner Hopf

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Discusses how organisms ranging from protozoa to mammals reproduce.

The Thursday toads

By Alice Lightner Hopf

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Scientists discover an elixir of youth on a planet inhabited by poisonous toads.

Whose house is it?

By Alice Lightner Hopf

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Presents the life cycle of various animals which inhabit a prairie dog burrow including the prairie dog, rattlesnake, burrowing owl, and kit fox.

Chickens and their wild relatives

By Alice Lightner Hopf

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Discusses the physical characteristics, behavior, and history of the domestic chicken and its wild relatives, including the grouse, pheasant, prairie chicken, and ptarmigan.

Hyenas

By Alice Lightner Hopf

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An introduction to the commonly misunderstood hyena, a somewhat dog-like relative of the civet and the mongoose which has undeservedly become one of the most hated creatures in Africa.

Biography of a rhino

By Alice Lightner Hopf

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Moved to a national park in Uganda in an effort to protect her disappearing species, a young white rhino becomes a pet of the rangers and tourists until it is time for her to have a family.

Biography of an ostrich

By Alice Lightner Hopf

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Describes the physical characteristics and habits of an ostrich living on the African veld.

Biography of an ant

By Alice Lightner Hopf

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Traces the life cycle of an ant and describes the activities of an anthill by following one young adult ant through a year.

Wild cousins of the cat

By Alice Lightner Hopf

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Introduces the physical characteristics, habits, and environment of different members of the cat family including the lynx, lion, cougar, caracal, and many others.

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.