Excited to share the cover for the special 10th anniversary edition of WHAT IF?—revised and annotated with brand-new illustrations and answers to important questions you never thought to ask.

Coming from @deystreet November 2024! Preorder your copy: xkcd.com/what-if/

Give the gift of 10x more disastrous scenarios with the What If? Tenth Anniversary Edition: Serious Scientific Answers to Absurd Hypothetical Questions!

harpercollins.com/products/what-…

Now that the 10th anniversary edition of WHAT IF? is out, remember there are two upcoming events where you can get your books signed in New York and Boston!

Many thanks to @strandbookstore and @HarvardBooks for hosting. Reserve your tickets here:
xkcd.com/events/

It's here! Check out WHAT IF? 10th Anniversary Edition, with scenarios reimagined at 10x the scale, new art, detailed annotations, a brand-new chapter, and more:
xkcd.com/what-if/

There's still time to enter for a chance to win 10 signed copies of the new Anniversary edition of WHAT IF to celebrate 10 YEARS since the book’s release!

m.cmpgn.page/TvTS0t

I’m giving away 10 signed copies of the new Anniversary edition of WHAT IF to celebrate 10 YEARS since the book’s release!

Enter for your chance to win here:
m.cmpgn.page/TvTS0t

The Future of Orion xkcd.com/3012

Excited to announce that there will be two events in the US to celebrate the WHAT IF? 10th Anniversary Edition!

That's two chances to get your books signed in person, and you can register now:
xkcd.com/events/

Details! 🧵

Join me and @depthsofwiki at @strandbookstore in New York on Monday, December 2 at 7pm!

eventbrite.com/e/randall-munr…

Then I'm headed to Boston! @HarvardBooks will be hosting the event at First Parish Church on December 5 at 6pm:
harvard.com/event/randall-…

Europa Clipper xkcd.com/3011

Geometriphylogenetics xkcd.com/3010

Number Shortage xkcd.com/3009

The UK tour for the 10th anniversary edition of WHAT IF? starts next week!

There are still a few tickets left:
fane.co.uk/randall-munroe

Proterozoic Rocks xkcd.com/3008

What if everyone pointed a laser at the moon?

Watch the latest What If? video in collaboration with @MinuteEarth!

youtu.be/JqFSGkFPipM

Probabilistic Uncertainty xkcd.com/3007

Demons xkcd.com/3006

Disposal xkcd.com/3005

What If? Tenth Anniversary Edition: Serious Scientific Answers to Absurd Hypothetical Questions is coming November 26!

You can preorder here:
harpercollins.com/products/what-…