'Kelp' the book is here and available to buy.
I'm not sure that its a book that will ever get made into a film, but if you do fancy a book about the understated beauty of seaweed, the link to buy it is is underneath.
kozubooks.com/books-new/kelp…
Stuck in Stornoway as all crossings cancelled - @lensdistrict got over first thing but took nearly 6 hours in bad weather. Sitting in my hotel room reminiscing over a nice week with nice folk.