Do you haiku?
Some do,some don't .some won't
It is understandable why it is not tried ,this succinct two part three liner that was derived by Shiki in the 19th century as a ' free standing, autonomous hokku poem ' generally divided into two parts standing in contrast or reversal to each other.
For those who want an easy to read( and a beautiful birthday present to receive or give ) one cannot better CLASSIC HAIKU by Tom Lowenstein (ISBN 9781844834860) available at this link
https://www.amazon.co.uk/Classic-Haiku-Greatest-Japanese-Followers/dp/1844834867/ref=sr_1_5?ie=UTF8&qid=1495789298&sr=8-5&keywords=Classic+haiku
I am sure ,whether we write in the pure haiku form, or in the English language derivative with its variations this book (which also includes examples of the classic Japanese master poets) is a 'must ' for all poets interested the shorter forms of our art.
Maybe you have a book to recommend that can help peer poets here with a particular form?
If so why not let us in on your secret!
UPDATE A
For those interested in all things tanka,cinqku and cinquain and crystalline there is no better place for books and online articles thereon than my longtime peer poet Denis M Garrison of Baltimore at this link
https://denisgarrison.wordpress.com