The Old Hulk, being developed for a senior center, mysteriously burns to the ground.

Qwill's lady friend, Polly Duncan, goes to Paris and decides to stay there.

The author, Lilian Jackson Braun, died June 4, 2011, making The Cat Who Had 60 Whiskers her final book.

Sally Estes, of Booklist reviewed the book saying, "A welcome chance to revisit Moose County for regulars, but don't expect passer-by to stick around.

These serve to remind the audience that Koko and Yum Yum are the real stars of the series, as they provide an interesting and creative leitmotif for the reader's enjoyment"[3]