Preparation for Msc in Finance - Please help!

Investment Banking - Rosenbaum. Other than that, maybe some corporate valuation materials from CFA L1.

MSc in Finance is a pre-experience degree, meaning that it is not mandatory to have an academic or work background in finance to opt for it.

In such degrees, schools accept applicants for potential rather than experience.
So if you have a knack for numbers and a dedication to pursue a degree in Finance, you should consider it without any hesitations.

Nonetheless, it is always good to have a context of what kind of curriculum you will be dealing with in future.
Having a basic knowledge of finance will give you an edge especially while applying to top B-schools where showing your motivation for choosing a M.Fin would be something the ad com would be very interested in.

You can start off with Harvard Business Review’s Finance Basics.
It explains the fundamentals & jargons of finance in a simple & concise manner.

The Calculus of Finance by Amber Habib also serves as a great reference for finance beginners.
No prior knowledge of economics or finance is called for, an exposure to basic calculus and probability is all that is required of the reader.
It introduces the reader to the basic concepts and products of modern finance and explores various mathematical models dealing with quantification of risk, which form the backbone of modern financial analysis.

There are several MOOCs available on the subject and most of them are free.

This is a free course you could check out -
Business Finance Course | Learn basics of Business Finance for free from Wall Street Bankers | DeZyr
You can also check out edX ( https://www.edx.org/) and coursera (https://www.coursera.org/) for more such courses.

Also note that MS in Finance is a degree designed to cater to graduates from different fields. A prior background in finance is not required to pursue it.
But i would advise increase your knowledge base as well as your profile's competitiveness by taking up internships, participating in finance-based competitions , taking up research projects and attending workshops.

In case you want to know more about the scope & requisites for MS in Finance, visit https://www.mim-essay.com/masters-in-finance/.

Hope this helped!