Entertaining adaptation of the hit sequel! This is one of the rare movie novelizations that doesn't delve too far from its source. As some may not know, when a writer is commissioned to write a novel based on a movie, they're giving an early copy of the script and the writer fills in the gaps in terms of what the characters are thinking, exposition, etc. Having said that, there are a few differences. Mostly they seem to be scenes that were cut from the film (Marty seeing the demolished school and his encounter with Dave in the alternate 1985) or were removed before they were even filmed. These included additional scenes of Doc's POV during the climactic chase when Marty acquires the book in the tunnel as well as Doc encountering a crazed Mr. Peabody (the pine tree breeder) who swears he saw the "spaceship" again. These were unnecessary but still fun. However, the writer does treat Marty like an idiot, having Marty not figuring stuff out on his own or wondering stupid things. The author also treats us, the reader, as morons too. He's constantly reminding us that Marty's from 1985 and of scenes that just happened. He even reminds us that it was 2015 where Marty acquired the hoverboard! Well, no shit! Overall, the writing could've been better but if you're a fan of the franchise (like me), you'll still enjoy it!