So I saw the film last night. Prettay, prettay good

However, I'm aware from previous reading that it's not exactly faithful to what actually happened, and that Sean Penn has somewhat romanticised what was effectively a really ill-advised and irresponsible thing to do

Is the book any different? Worth reading? s'only a few squids online. The only thing is I'd have to suffer the looks of scorn from more literate commuters who were reading it 10 years ago