Street of Walls is a website which provides useful private equity instruction- how to do a paper LBO. This course is meant to be at the intermediate level - assuming you understand basic financials - and goes well with Street of Walls. This course focuses on the nuances and particulars of the LBO rather than rehashing everything you already know; this is simply perfect for interview preparation and making an impression. The walk through of a paper LBO on excel is particularly useful practice for those who are interviewing or even those in the industry who have been doing more thematic research and want a refresher on certain concepts.