A few months ago an Elsevier representative contacted me asking for permission to reproduce one of my thesis figures in one of their books. Since this figure is only in my thesis (introduction section) and is not published elsewhere, I retain full copyright.
Because I am truly concerned about the negative effect of Elsevier policies on science at large, I am boycotting Elsevier. I considered not granting them permission, however I thought that this would mostly affect the authors of the book and have very little effect on Elsevier. I asked my Facebook contacts what I should do, and one of them proposed a very nice solution. Basically, he suggested that I publish the work under some terms so that everyone, and not only Elsevier, can be directed to the specific conditions under which this work can be reused. So I posted my figure on Zenodo (this actually makes sense because I have been asked many times for permission to reproduce this figure - mind you, that's the only reason why my thesis gets cited at all).
I replied to the Elsevier representative referring him to the Zenodo entry, and specifically letting him know that the modified version of the figure that they want to use does not comply with my terms (since it removes the text stating I own the copyright).
Last week, I noticed that a preview of the book is available in Google Books. To my surprise, I noticed that the version of the figure (fig. 11.1) that they ended up using does not comply with the terms I communicated to the Elsevier representative. What can/should I do about this?
Edit
I contacted the Elsevier representative who apologized and corrected the image. The Google Books link above now shows the copyright notice as it should (hopefully this settles the nonsensical debate initiated by @user71659 depicting increasingly weird scenarios in which Elsevier had recompiled the figure from scratch).