Your future self (and your GPA) will thank you.

Which specific from the book's table of contents would you like to explore first? Modern Physics Randy Harris Second Edition

: Introduction to stationary states and the "particle in a box".

Statistical Mechanics, Nuclear Physics, and Fundamental Particles Classical Review : A supplemental "Classical Physics Review"

Is the Harris & Randy Modern Physics 2e PDF worth hunting for? It is arguably the most readable Modern Physics textbook of the last decade.