Yes, HarperCollins acquired Zondervan in 1988. Zondervan continues to operate as an imprint of HarperCollins Christian Publishing, which is a division of HarperCollins Publishers.
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It was first published by HarperCollins Publishers 2010.
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"The One and Only Ivan," written by Katherine Applegate,
published by HarperCollins Children's Books, a division of
HarperCollins Publishers
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It is written by Leon Uris and the publisher is HarperCollins
Publishers.