'The Lean Startup' Author Shares His Latest Advice Eric Ries turns to Kickstarter to launch his latest book.

Eric Ries, author of the 2011 bestseller The Lean Startup, is at it again. In March he launched a monthlong Kickstarter campaign to self-publish The Leader's Guide, a hardcover and digital book to which only donors will have access. Within 24 hours, he raised $123,000, and by the end of the campaign, $588,983—making Ries the most successful author on Kickstarter.

The nearly 10,000 backers who signed on to receive The Leader's Guide will also get exclusive access to webinars, classes and workshops, as well as copies of Ries' The Startup Way, which will be published in late 2016. Ries took a break from filling orders to answer some questions on the next generation of lean startup advice.

Why did you take your second book to Kickstarter?