Monday, October 9, 2023 - Look, up there in the sky ... it's a bird ... it's a plane ... no, it's an UBERMENSCH ??

A straightforward Monday crossword by Zachary David Levy -- his 5th NYTimes crossword, but who's counting? -- including some debut answers - 17A, Vast South American watershed, AMAZONBASIN, and 37A, Kitchen gadget, APPLEPEELER - as well as some rarely seen Monday answers, such as 52A, Nietzsche's superior man of the future, UBERMENSCH, and an answer that was born to be punned, 26A, Hand bone, METACARPAL. A reminder that tomorrow's Triplet Tuesday Contest will be taking place, um, well,...