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

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-…

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

eventbrite.com/e/randall-munr…

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-…

RNAWorld xkcd.com/3002

Experimental Astrophysics xkcd.com/3000

Bad Map Projection: The United Stralia xkcd.com/2999

Ravioli-Shaped Objects xkcd.com/2998

What if Earth grew 1cm every second?

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

youtube.com/watch?v=-1-ldW…

Tickets for the UK events this fall are going fast!

Get yours here: fane.co.uk/randall-munroe

Solar Protons xkcd.com/2997

University Commas xkcd.com/2995

Númenor Margaritaville xkcd.com/2994

Ingredients xkcd.com/2993

UK Coal xkcd.com/2992

Beamsplitters xkcd.com/2991

Physics Lab Thermostat xkcd.com/2989

What if a glass of water were LITERALLY half empty?

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

youtu.be/0EytSWiKrFg

Maslow’s Pyramid xkcd.com/2988

Tectonic Surfing xkcd.com/2987

Every Scientific Field xkcd.com/2986

Craters xkcd.com/2985

Asteroid News xkcd.com/2984

Monocaster xkcd.com/2983

Water Filtration xkcd.com/2982

Slingshots xkcd.com/2981

Could you survive a nanosecond on the Sun?

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

youtu.be/UXA-Af-JeCE

Lava Lakes xkcd.com/2980

Sky Alarm xkcd.com/2979

Stranded xkcd.com/2978

Three Kinds of Research xkcd.com/2977

Time Traveler Causes of Death xkcd.com/2976

Classical Periodic Table xkcd.com/2975

Storage Tanks xkcd.com/2974

Ferris Wheels xkcd.com/2973

Helium Synthesis xkcd.com/2972

What if we teleported the oceans to Mars?

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

youtube.com/watch?v=FkUNHh…