The Best books for studying geolgy are:

General Geology:
Physical Geology by Plummer 12th ed.

Sedimentolgy:
Sedimentology and Stratigraphy by Gray Nicholss

Tectonics:
Global Tectonics by Philips Kearey 3rd ed.

Structural Geology:
Fundamentals of Structural Geology by R G Park and Various books

Geophysics:
Fundamentals of Geophysics William Lowrie

Micropaleontology:
Treatise on Invertebrate Paleontology by Raymond C. Moore

Mineralogy and Petrology:
Earth Materials by Cornelis Klein, Anthony R. Philpotts

Geology of Pakistan:
Geology and Tectonics of Pakistan by Kazmi and Jan
Petroleum Geology of Pakistan by Iqbal Qadri
Stratigraphic memoirs of Pakistan by Shah GSP