[zerr]

> looking to dive deep into a pretty specific range of topics

But does the book dive deep enough? Won't be more useful to go with more specialized books/papers?

[lispm]

Peter goes through various iterations improving the approaches in the book. There is a bunch of stuff - like writing good and efficient Lisp code - which is not covered that well in many other books.

[zerr]

Forgot to mention - for the person who is not (that much) interested in Lisp (anymore).