Pictured Puzzles and Word Play / A Companion to the Twentieth Century Standard Puzzle Book - A. Cyril Pearson

The enigma—

My first is possessive and second:
My second possessive and first.
Such banks most attractive are reckoned
By those for rich treasure athirst.

is solved by Thymy (thy, my).

This is the completed palindrome—

REPEL EVIL AS A LIVE LEPER,

which reads alike from either end.