I usually find it quite hard to begin with a cohesive visual identity for a project and not feel tied to a brand or identity that might no longer suit the project. Previous thoughts on title pages or brand are in this post.
More iterations on an identity for the book, thinking about a symbol that might work and a font selection that could be cohesive across the entire book.
Thinking about how it might look in color, and in a more Faber & Faber style:
Thoughts? Which is the strongest? What is working and failing miserably?