We found 3 Reddit comments about Jurassic Park (Junior Novelization). Here are the top ones, ranked by their Reddit score.
This happens more often than you think.
There's novelizations of movies based on a novel.
(https://en.wikipedia.org/wiki/2001:_A_Space_Odyssey_(novel) and the related books. Probably others too, and then there are novelizations of a surprisingly large amount of movies. For example, I remember seeing a novelization of Jurassic Park, even though it was already based on a book.
No, for the movie, mcdonalds had "dino-sized meals" and there was even a novelization marketed towards young children http://www.amazon.com/Jurassic-Park-Junior-Novelization-Herman/dp/044840172X