Never have so many parents trembled at the salesman's glib pitch that knowledge is the key to happiness and that their children will not even find the door without an encyclopedia. Sales of encyclopedias written for school kids have at least tripled in the past ten years. Educators agree that an encyclopedia can aid learning, but only if it has something significant to say in clear words and pictures that appeal to a child and only a few sets really do that.
The best are The World Book En cyclopedia, which has...
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