tippy bottom rated What If?: 4 stars
What If? by Randall Munroe (What If?, #1)
Randall Munroe left NASA in 2005 to start up his hugely popular site XKCD 'a web comic of romance, sarcasm, …
Randall Munroe left NASA in 2005 to start up his hugely popular site XKCD 'a web comic of romance, sarcasm, …