Add another item to the list of creative enterprises undertaken by Hank Green. The video blogger, science advocate, VidCon co-founder and Missoula resident announced his first novel on Tuesday.

"An Absolutely Remarkable Thing" will be released in fall 2018.

According to the news release from his publisher Dutton books, Green's novel "tells the story of April May, an art student in New York City who happens across an impressive, mysterious sculpture of a giant robot in midtown Manhattan. With the help of her friend Andy Skampt, she makes a video with the figure, naming it Carl. After news spreads that there are Carls in dozens of cities around the world — and nobody knows how they got there — April is thrust into an international spotlight and finds herself at the center of the quest to find out not just what The Carls are, but what they want from us."

The announcement said the book's themes include "how the social internet is changing fame, rhetoric, and radicalization; how our culture deals with fear and uncertainty; and how vilification and idolation spring from the same dehumanization that follows a life in the public eye."

In the release, Green said, "We're at a really weird moment in history, and April's story helps highlight several of those oddities that we're now seeing as more and more normal. It's a story I've wanted to tell for a long time that was seeded by a lot of my personal experiences, but it's April's story, and it's been a pleasure watching her live her absolutely remarkable life. I am so excited to have a real-live novel be published by such a talented team.”

Hank, along with his brother John, are known as the Vlogbrothers and were early adopters of YouTube blogging. Hank's company, Complexly, produces YouTube channels like "Crash Course" and "SciShow."

John has a new book out this fall, "Turtles All the Way Down." It's his first novel since his 2012 young-adult bestseller, "The Fault in Our Stars."

The two are embarking on a tour in which they'll appear on stage together, featuring talks, take questions from the audience and give musical performances. Their stop in Missoula at the University of Montana on Friday, Oct. 27, has already sold out.

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