My book, What If?: Serious Scientific Answers to Absurd Hypothetical Questions, comes out September 2nd (Pre-order: Amazon, Barnes & Noble, IndieBound), and I’m excited to announce that I’ll be going on a book tour!

Here’s the event list:

Thursday, September 4

CAMBRIDGE, MA

Harvard Book Store at Brattle Theatre

40 Brattle St.

6:00pm (Seating is limited)

Tickets: $26 tickets on sale August 12 at 9am ET, includes one book, one seat.

More details: http://www.harvard.com/event/randall_munroe/

Pre-order a limited number of signed copies of What If? from Harvard Book Store.

Friday, September 5

NEW YORK, NY

Barnes & Noble – Union Square

33 E 17th St.

7:00pm

Open event, seating is first come first serve.

More details: http://store-locator.barnesandnoble.com/event/84245

Tuesday, September 9

SEATTLE, WA

Town Hall Seattle

1119 8th Ave.

7:30pm

Seating is limited

Tickets: $5, one seat

More details: http://www.townhallseattle.org/randall-munroe-answering-what-if/

Wednesday, September 10

SAN FRANCISCO, CA

The Booksmith at Public Works

161 Erie St.

7:30pm

Seating is limited

Tickets: $34 includes one book, one seat; $20 general admission

The bar at Public Works will be serving drinks before, during, and after the program. This event is necessarily limited to people 21 and older.

More details: http://www.brownpapertickets.com/event/772183

Thursday, September 11

BERKELEY, CA

Berkeley Arts & Lectures at the Hillside Club

2286 Cedar St.

7:30pm

Seating is limited

Tickets: $10 with student ID; $15 general admission

More details: http://www.brownpapertickets.com/event/772197

Friday, September 12

Google+ Hangout On Air moderated by Hank Green

Location: Online/Various

3:30pm PT/ 6:30pm ET

Note: Anyone can view the Hangout live on YouTube (Friday, 9/12, 3:30pm PT), but only 4-6 xkcd readers will be selected using this form  to participate and ask questions within the Hangout itself. Apply for a chance to participate in the Hangout by Monday, August 25.

Link to Hangout and more info to come!

Sunday, September 14

LOS ANGELES, CA

Live Talks LA

An afternoon with Randall Munroe

William Turner Gallery

Bergamot Arts Station

2525 Michigan Avenue,

Santa Monica

4:30pm

Seating is limited

Tickets: $43 includes one book, one reserved seat; $20 general admission

More details: http://livetalksla.org/blog/2014/07/13/september-14-randall-munroe/

Hope to see you there!