What If? 2 (book)
| Front cover | |
| Author | Randall Munroe | 
|---|---|
| Language | English | 
| Genre | Non-fiction | 
| Publisher | Riverhead Books | 
| Publication date | 2022 | 
| Publication place | United States | 
| Media type | Print, e-book | 
| Pages | 368 pages | 
| ISBN | 0525537112 | 
What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions is a 2022 non-fiction book by Randall Munroe. The book seeks to provide scientific answers to hypothetical questions proposed by readers of the author's webcomic, xkcd, and blog, What If? A follow-up to Munroe's 2014 title What If?, the book was released on September 13, 2022, to generally positive reviews, with Time saying, "Science isn't easy, but in Munroe's capable hands, it surely can be fun."