The title of the book is "Oracle PL/SQL Programming: Guide to Oracle8i Features", not "Oracle PL/SQL Programming, plus my rambling political edge"
I read a programming book that dared to have jokes in it once. Gasp! One even talked about DNA and the wagging of dogs' tails. I suppose we've got to be extra puritanical and dogmatic once our delicate political sensitivities become more important than learning something. That way lies progress.