If you need a digital copy of P.S. Verma’s Invertebrate Zoology , there are better, safer ways to acquire it:
Most universities provide digital access to their library catalogs via JSTOR, ResearchGate, or internal portals.
It follows a standardized classification system that aligns perfectly with university curricula (B.Sc. and M.Sc. Biology).
It covers everything from Protozoa to Echinodermata with meticulous detail.