The book mostly deals with teaching recursive thinking; basically being the notes of a very didactic two week introduction. Do not read the book in fewer than t

The book mostly deals with teaching recursive thinking; basically being the notes of a very didactic two week introduction. Do not read the book in fewer than three sittings. So a little more than an evening if you really want to obey the rules, and most importantly: never, ever feed the gremlin (elephant) after midnight.