My knowledge of computation theory is not good enough to judge the book. Why he used the strange quotes. Who knows. But he wrote more books. Like this one:

https://www.amazon.com/Emergent-Computation-Emphasizing-Bioi...

You can browse a little bin on google books: https://books.google.com.sg/books?id=d2i8q2PayrQC&pg=PR7&lpg...

Must say, the content looks rather interesting to me. I am actually consider buying it.