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Praise for Randall Munroe and What If?

“What If? is one of my Internet must-reads, and I look forward to each new installment, and always read it with delight.” ?Cory Doctorow, BoingBoing

“Randall Munroe is a national treasure.” ?Phil Plait

“Extreme astrophysics and indecipherable chemistry have rarely been this clearly explained or this consistently hilarious.” ?Entertainment Weekly “10 Best Nonfiction Books of the Year”

“Consistently fascinating and entertaining...Munroe leavens the hard science with whimsical touches... An illuminating handbook of methods of reasoning.” ?Wall Street Journal

“It’s fun to watch as Munroe tackles each question and examines every possible complication with nerdy and methodical aplomb.... The delightfully demented What If? is the most fun you can have with math and science, short of becoming your own evil genius.” ?Boston Globe

“With his steady regimen of math jokes, physics jokes, and antisocial optimism, xkcd creator Randall Munroe, a former NASA roboticist, scores traffic numbers in NBC.com or Oprah.com territory. One key to the strip’s success may be that it doesn’t just comment on nerd culture, it embodies nerd culture.” ?Wired, in an issue featuring “the people who have shaped the planet’s past 20 years”

The #1 New York Times bestselling author of What If? and How To provides his best answers yet to the weirdest questions you never thought to ask

The millions of people around the world who read and loved What If? still have questions, and those questions are getting stranger. Thank goodness xkcd creator Randall Munroe is here to help. Planning to ride a fire pole from the moon back to Earth? The hardest part is sticking the landing. Hoping to cool the atmosphere by opening everyone’s freezer door at the same time? Maybe it’s time for a brief introduction to thermodynamics. Want to know what would happen if you rode a helicopter blade, built a billion-story building, made a lava lamp out of lava, or jumped on a geyser as it erupted? Okay, if you insist.

Before you go on a cosmic road trip, feed the residents of New York City to a T. rex, or fill every church with bananas, be sure to consult this practical guide for impractical ideas. Unfazed by absurdity, Randall consults the latest research on everything from swing-set physics to airplane-catapult design to clearly and concisely answer his readers’ questions. As he consistently demonstrates, you can learn a lot from examining how the world might work in very specific extreme circumstances.

Filled with bonkers science, boundless curiosity, and Randall’s signature stick-figure comics, What If? 2 is sure to be another instant classic adored by inquisitive readers of all ages.