Unlike standard bulky textbooks, Agarwal’s book focuses purely on the functional tools of organic chemistry: the reagents. He understands that memorizing thousands of reactions is futile unless a student understands the reagent’s role—whether it acts as an oxidizer, reducer, base, nucleophile, or catalyst.
To give you a feel for the book’s utility, here is a sample table in his style: Reactions And Reagents O.p Agarwal.pdf