Project Hail Mary

Project Hail Mary Review: Andy Weir's Latest Sci-Fi Stunner

What's it actually about then?

Without spoiling anything (and trust us, you want to go in blind), Project Hail Mary follows Ryland Grace, who wakes up on a spaceship with no memory of how he got there. The Earth is in serious trouble, and he might be humanity's last hope. That's all we're saying plot-wise.

What we will tell you is that Weir has absolutely nailed the balance between accessible science and proper nerdy detail. Remember how The Martian made you feel like a botanist-engineer hybrid? This does the same thing, but with astrophysics and biochemistry thrown into the mix. We found ourselves Googling stellar mechanics at midnight, which is either brilliant writing or a sign we need better hobbies.

The science bit (don't worry, it's actually fun)

Here's where Weir really shines. The scientific explanations never feel like a textbook dumped into the middle of the story. Grace is a teacher, so when he explains complex concepts, it feels natural — like having that brilliant science teacher who actually made you care about photosynthesis.

We particularly loved how the book handles problem-solving. Grace faces impossible situations and works through them methodically, showing his thinking process. It's oddly satisfying watching someone science their way out of certain death, especially when the solutions feel genuinely clever rather than convenient.

The unexpected heart of the story

Without giving anything away, this book has an emotional core that sneaks up on you. There's a relationship that develops that had us proper choked up by the end. Weir has clearly grown as a writer since The Martian — the character work here is miles deeper and more affecting.

The humour is spot-on too. Grace has a dry, self-deprecating voice that feels authentically British despite being American. His internal monologue during crisis moments had us laughing out loud on the tube (yes, we're those people).

A few things that niggled us

Look, no book is perfect. The opening chapters require a bit of patience while Weir sets up the mystery. If you're expecting immediate Martian-style action, you might find the start a touch slow. We nearly put it down after the first chapter, which would have been a massive mistake.

Also, some of the scientific exposition, while generally well-handled, occasionally tips into lecture mode. There are a couple of moments where we could practically see Weir's research notes peeking through.

Who's this actually for?

If you loved The Martian, this is an absolute no-brainer. But it's also perfect for anyone who enjoys puzzle-box mysteries with a sci-fi twist. Got a mate who claims they 'don't do science fiction'? This might just convert them. It's also brilliant for anyone who likes their space stories with proper emotional weight — think more Arrival than Independence Day.