This book containing interviews with Common Lisp hackers is pretty interesting. https://leanpub.com/lisphackers https://leanpub.com/lisphackers I believe the

This book containing interviews with Common Lisp hackers is pretty interesting. https://leanpub.com/lisphackers https://leanpub.com/lisphackers I believe the author worked at grammarly, using CL. Would be nice if he wrote an updated version!