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Publisher's Summary

It's not just a trilogy any more. In the fifth book of this popular series, Arthur Dent makes the terrible mistake of starting to enjoy life, and immediately all hell breaks loose. In short, it's up to him to save the world from total multi-dimensional obliteration, the Guide from a hostile alien takeover, and the daughter he never knew he had from herself. A tall order, to say the least. And one he's really not up to, thank you very much.
©1992 Serious Productions, Ltd (P)2006 Random House, Inc.

What the critics say

"Douglas Adams is a terrific satirist....He is anything but harmless." (The Washington Post Book World

"Hitchhiker fans rejoice!...[Here's] more of the same zany nonsensical mayhem." (The New York Times Book Review)

What listeners say about Mostly Harmless

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Overall good

To be honest this is an interesting last book but the ending fell short.

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  • E in Atlanta
  • 2016-11-02

Darkest Adams Book

Any additional comments?

Likely the best written of Adams' novels, prepare yourself for the dark ending. Tight plot, excellent pacing, and truly a bummer. Loved Freeman's acting, would like to hear his candid opinions on Adams' work outside of the publicity he did for the movie.

3 people found this helpful

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  • Joe Potter
  • 2015-03-20

The end....

Great story, however, was a little disappointed in the way it ended. so I guess I'm going on to the next book, AND ANOTHER THING.

3 people found this helpful

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  • Mercury Lemur
  • 2020-01-21

Book 5 is the weakest of the Trilogy

...but still very, very good! Martin Freeman does a wonderful job bringing the story to life.

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  • Stephanie
  • 2020-10-09

Bleak

Most of the book is fairly good, but not his best. The story is building to a massive crescendo with all of the parts coming together, and then it flops at the end. I know the author was struggling with some stuff in his personal life and has admitted that even he regrets the ending. But, there is some hope in the ending, if you make your own conclusions.

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  • Amazon Customer
  • 2020-06-23

Great story with an ok conclusion

I love the addition of the characters Random, Colin, and Trisha. Very well rounded story that comes back to previous entries to complete the over arching storyline. A few things that you dont get in this final book are, for one, Fenchurch, whom I loved from Thanks for all the fish. She just disappears. Also no Zaphod. I love the new worlds we are introduced to though. Such as, Lumuella and NowWhat. Both had very vivid descriptions. Overall fun and new.

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  • Anonymous User
  • 2020-04-24

the most emotional entry of the series so far!

Martin brings to life another riveting tale of space misadventure! The story being a bit more serious makes the novel feel shorter than the others, and leaves you begging for the next entry.

1 person found this helpful

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  • Craig H.
  • 2010-06-19

Love Hitchiking

Hitchhiker is just plain fun. I loved the series when i was young. I read it in college, and again in Med school, and again when i started reading for pleasure again, and now I am going to listen to them all.
I cannot wait. I just wish Douglas was alive for more, but I am about to read Coffer's installment (or try) for a 6th book in the series.

3 people found this helpful

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  • Julia
  • 2021-01-22

splendid :)

a bit too much in the music added, but a lovely listen to! I enjoyed the robot special effects quite a bit

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  • RMP
  • 2020-12-18

Awesome humer

I have listened to it menny times and it’s good for getting to sleep and beacus it has less ongoing story and is more humer though i wold recommend listening to it 1 time before using it to go to sleep with just in case you go to sleep for 5 minutes and wake up so you know what’s happening

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  • Kelly Villanueva
  • 2020-12-12

listening to hitchhikers is part of my typical day

I must have listened to this series 25x. I love it, and I've listen most nights while falling asleep for the past year and a half.