A very popular children's book can inspire others to write their own books, whether it's an homage, parody, or even out of spite. Consider Dr. Seuss's book The Lorax. When it was published in 1971, the logging industry was not happy with the book's environmental message.
Read about The Truax and six other books written in response to children's books at mental_floss. Link
To defend themselves against the unjust Lorax, the timber industry provided funding to Terri Birkett, a member of the National Wood Flooring Association, to write a rebuttal book. In it, an irrational, irate “protector of trees” named Guardbark berates a lumberjack who patiently explains that he replaces the trees he cuts down, that they’ve set land aside to serve as Nature Preserves, and that no one really cares about some of the species that go extinct because of logging anyway.
Read about The Truax and six other books written in response to children's books at mental_floss. Link
Oh so it's sort of like Conservapedia for Adults!
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