the book is episodic and the incidents don't always hang together.
Examples of episodic
episodic
Computer simulations show that star formation in small galaxies may be episodic.
From the sciencedaily.com
Near the end, Leo Richter offers a final key to this novel's episodic structure.
From the boston.com
There was only episodic monitoring of feeling and impulse by the frontal cortex.
From the blogs.psychcentral.com
As such, something that affects episodic memory can also affect semantic memory.
From the en.wikipedia.org
If only that resonance carried into the rest of the story's episodic progression.
From the latimes.com
It's well meaning, episodic and destined to be shown in school history lessons.
From the independent.co.uk
On the flip side, the memoir has a bit of an uneven, episodic quality at times.
From the orlandosentinel.com
This position will provide episodic care to patients in an urgent care setting.
From the jobview.monster.com
Some researchers believe that episodic memories always rely on the hippocampus.
From the en.wikipedia.org
More examples
Of writing or narration; divided into or composed of episodes; "the book is episodic and the incidents don't always hang together"
Occurring or appearing at usually irregular intervals; "episodic in his affections"; "occasional headaches"
Limited in duration to a single episode; "an account concerned primarily with episodic events such as the succession of rulers"
(episodically) in an episodic manner
Relating to an episode; sporadic, happening infrequently and irregularly; made up a sequence of seemingly unconnected episodes
Occurrences that come and go with or without a regular pattern.
A person who is homeless for less than a year and has fewer than four episodes of homelessness in the past three years.
Occurring in a long string of short, individual scenes, stories, or sections, rather than focusing on the sustained development of a single plot. These episodes may be unrelated to each other directly, or they may be loosely connected together in terms of overall events. ...