Haiku poetry typically are in the form of prose - non-rhyming lines with a specific rhythm to the number of syllables. The first and third lines typically have five syllables and the second line has seven, however, the number might vary. The theme is generally about nature and the third line may bring it to a thought provoking or surprising conclusion. Haiku are like very short stories.
Poetry may activate the brain similarly to music by helping increase brain connectivity in a way that is similar to what occurs when someone is listening to or composing music.
Puns are fun, they stimulate the mind - however they can overstimulate the mind and may be more likely to be taken the wrong way than writing that is kept as clear as possible. Puns play with word meanings or rhyming sounds or alliterative sounds - or all three.
Words that overstimulate should be avoided, unless that is the goal, Whether intellectually with a word play that makes the mind stumble a moment and have to pause and say, "What?" <scratching head in puzzlement emoji>, or whether words that might make someone blush or get angry, words that are "hot button" words should be reserved for hot button topics and situations only - used for a reason that is worth risking bewilderment or anger or a blush.
The word "ninja" has become over-used at this point but it was a helpful course even with a buzzword. -- Never judge a book by its buzz? <ducking fusilage of rotten tomatoes>
Writing courses and a free blog are available for professional content marketers - which is practically everyone these days to some extent - at copyblogger.com : (G2.5).
We are marketing ourselves on social media and in texts that last longer than a spoken conversation would have lingered in memory.
So never leave home without your copy of the Associated Press Stylebook - updated annually, see apstylebook.com: (G2.6).
Many companies are now available that provide self publishing services and training materials to assist with producing a polished product. Single print publishing made it possible to make birthday books for the grandkids and holiday party books for the company party.
A benefit that may not be considered at the time - or may be the very reason for the effort - is that it is preserving the family photos or art images or writing in a form that is less likely to be lost when a computer or external hard drive breaks and you had forgotten to make back up copies of your work - and forgot to save it in the virtual cloud with a data storage company - etc. Losing work is not fun.
I have an external hard drive that may be able to have salvage work done but in the meantime I was glad to see some of the missing artwork in a picture book I put together for fun. The company blurb.com offers print on demand and ebook services with a focus on photography more than text oriented books.