Yep. Its true. And its not only a fun/great idea for both kids and adults alike, but it'd make a great holiday gift for any tiny house geek.
This book (available for around $12- (with free shipping if you have amazon prime)) is the work of Michael Janzen ( from http://www.tinyhousedesign.com )
I have the link for more information down below. I'll also soon be giving away a copy as we moved closer towards our HANDS-ON TINY HOUSE BUILDING and DESIGN WORKSHOP in Joshua Tree, CA at the famous "Bungalow in The Boulders" rental compound. Below...
MORE WORKSHOP INFO HERE: http://relaxshacks.blogspot.com/2017/10/diedricksen-brothers-tiny-house.html
MORE ON THE TINY HOUSE COLORING BOOK HERE: http://amzn.to/2jyV2tQ