Helen Frost Books

Life Skills

By Stuart Schwartz, Craig Conley

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Baby birds

By Helen Frost

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Describes the development of baby birds after they hatch, including their feeding, growth of feathers, and first flight.

Bird eggs

By Helen Frost

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Describes and identifies various bird eggs by their size, color, and pattern, including those of the ostrich, owl, and blue jay.

Bird families

By Helen Frost

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Describes where and how various species of birds nest, including sites in tree branches, in hollow trees, near water, and on cliffs.

Describes the nests of various types of birds and the materials used to build them, including the grass and twig nests of robins, the moss and spider web nests of hummingbirds, and the big stick ne...

Butterfly colors

By Helen Frost

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Examines the colors and patterns of various butterfly wings.

Butterfly eggs

By Helen Frost

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A simple introduction to where and how butterflies lay their eggs.

Caterpillars

By Helen Frost

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An introduction to the stages a caterpillar goes through as it develops from egg to butterfly.

Monarch butterflies

By Helen Frost

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An introduction to the physical characteristics and behavior of monarch butterflies.

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.