Excerpt#1:

No explicit mention of books. Also btw, how ruthlessly this ‘agreement’ pushes Turkish authors towards hybrid OA  venues. Once it would worth worth a study on the unintended geographical consequences of Western-Eu OA policies in the light of the afterlife of these hybrid journals.

In footnote, retroactive OA is mentioned:

“³If you don't order open access initially, your manuscript will be published under the traditional closed access model. You may order open access retroactively, but once your paper is published in Early View or In Issue online you are no longer eligible to publish open access at no charge.
”