Former Dauntless member Edward takes Four and Tris to meet Evelyn.

It is an unnamed person.

Rambo comes back to town three times before he's finally arrested by the cops.

Teasle arrests him after he turns back into town the first time.

Trillian was fairly ambivalent toward Arthur and never really a romantic interest.

They fall in love.

Fletch's editor is a woman.

It is a man.

In the book, Aunt Petranilla (who hasn't killed anyone) dies of the plague

In the series, Aunt Petranilla survives her illness, leaving her haggard and pocked, and kills yet again.

While in the hospital, Hazel reads a letter written by Peter van Houten, wherein he writes a famous quote from Julius Caesar, saying 'The fault, dear Brutus, is not in the stars, but in ourselves.' This is a big part showing why the book was titled 'the fault in our stars.'

This never happens in the movie.

This does not happen in the book.

Hennessy orders Morrison to kill his wife Mary for betraying him. Mossison goes to her London apartment and kills her with a pistol shot to the face.

Toby lived for a while longer then became sick from old age and was euthanized. He entered doggie heaven and saw all the important people in his previous lives including Ethan, Hannah, Andie, CJ, Jakob and the others he loved and saved.

The dog only meets Ethan in heaven.

In the book, Katie starts telling Alex about her past, she talks about her several escape attempts, as well as her final escape to Southport. Which includes, getting her hair done at a beauty shop, going next door and buying a cell phone & tricking Kevin while he's out of town on a case, leaving and first going to Philadelphia, where Kevin almost finds her, then New York, before getting a ride into South Port with a guy driving a truck.

She flees, and gets off the bus in Southport, right from the start...

It is the start of winter when the story takes place.

It is spring.